├── .gitattributes ├── .gitignore ├── ISO_submission_form ├── n4102-form-completed.doc └── n4102-form-completed.pdf ├── LICENSE.txt ├── Makefile ├── README.md ├── Unicode_IEC_symbol_font.cmap ├── Unicode_IEC_symbol_font.otf ├── Unicode_IEC_symbol_font.ps ├── Unicode_IEC_symbol_font.ttf ├── agenda └── UTC 138 Agenda.htm ├── build_counter.txt ├── common.mk ├── consolidated_bibtex_file.bib ├── get_commit_message.sh ├── graphics ├── 100px-Astronomical_symbol_for_the_moon.png ├── 100px-IEC5008_Off_Symbol.png ├── 100px-IEC5009_Standby_Symbol.png ├── 100px-IEC5010_On_Off_Symbol.png ├── 100px-Unicode_POWER_SLEEP_SYMBOL.svg.png ├── 100px-h-IEC5007_On_Symbol.png ├── 18px-Astronomical_symbol_for_the_moon.svg.png ├── 18px-IEC5008_Off_Symbol.svg.png ├── 18px-IEC5009_Standby_Symbol.svg.png ├── 18px-IEC5010_On_Off_Symbol.svg.png ├── 18px-Unicode_BLACK_WANING_CRESCENT_MOON.png ├── 18px-Unicode_HEAVY_CIRCLE.png ├── 18px-Unicode_POWER_ON-OFF_SYMBOL.png ├── 18px-Unicode_POWER_SLEEP_SYMBOL.svg.png ├── 18px-Unicode_POWER_SYMBOL.png ├── 3px-IEC5007_On_Symbol.svg.png ├── 3px-Unicode_POWER_ON_SYMBOL.png ├── Agilent2011.png ├── Apple2007.png ├── Astronomical_symbol_for_the_moon.svg ├── HP2009.png ├── IBM1984.png ├── IEC5007_On_Symbol.svg ├── IEC5008_Off_Symbol.svg ├── IEC5009_Standby_Symbol.svg ├── IEC5010_On_Off_Symbol.svg ├── IEEE1621.png ├── Motorola2010.png ├── Nordman2002-01TP.png ├── Nordman2002-0T.png ├── Nordman2002-S.png ├── Ugolini2013.png ├── Unicode_1F32D_BLACK_WANING_CRESCENT_MOON.svg ├── Unicode_IEC_symbol_font.svg ├── black_box.png ├── box_with_numbers.png ├── construction_of_the_crescent_moon.png ├── construction_of_the_crescent_moon.svg ├── empty_box.png ├── green_check.png ├── iec_symbol_font.svg ├── parametric_construction_of_crescent_moon.svg └── red_x.png ├── iec_symbol_font.otf ├── iec_symbol_font.ttf ├── kanjix.map ├── minimal_example.cmap ├── old_fonts ├── iec-power.css ├── iec-power.eot ├── iec-power.html ├── iec-power.svg ├── iec-power.ttf └── iec-power.woff ├── power_symbol_proposal.pdf ├── proposal.pdf ├── proposal.tex ├── submitted_20140114.1430 └── power_symbol_proposal.pdf ├── submitted_20140115.1204 └── power_symbol_proposal_revised.pdf ├── unicode_font_test_page.html └── working_group └── 14059-power.pdf /.gitattributes: -------------------------------------------------------------------------------- 1 | # Auto detect text files and perform LF normalization 2 | * text=auto 3 | 4 | # Custom for Visual Studio 5 | *.cs diff=csharp 6 | *.sln merge=union 7 | *.csproj merge=union 8 | *.vbproj merge=union 9 | *.fsproj merge=union 10 | *.dbproj merge=union 11 | 12 | # Standard to msysgit 13 | *.doc diff=astextplain 14 | *.DOC diff=astextplain 15 | *.docx diff=astextplain 16 | *.DOCX diff=astextplain 17 | *.dot diff=astextplain 18 | *.DOT diff=astextplain 19 | *.pdf diff=astextplain 20 | *.PDF diff=astextplain 21 | *.rtf diff=astextplain 22 | *.RTF diff=astextplain 23 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ############ 2 | ## Windows 3 | ############ 4 | 5 | # Windows image file caches 6 | Thumbs.db 7 | 8 | # Folder config file 9 | Desktop.ini 10 | 11 | # Mac crap 12 | .DS_Store 13 | 14 | -------------------------------------------------------------------------------- /ISO_submission_form/n4102-form-completed.doc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/ISO_submission_form/n4102-form-completed.doc -------------------------------------------------------------------------------- /ISO_submission_form/n4102-form-completed.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/ISO_submission_form/n4102-form-completed.pdf -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2013 Joe Loughry 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy of 6 | this software and associated documentation files (the "Software"), to deal in 7 | the Software without restriction, including without limitation the rights to 8 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 9 | the Software, and to permit persons to whom the Software is furnished to do so, 10 | subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 17 | FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 18 | COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 19 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | target = proposal 2 | 3 | build_counter = build_counter.txt 4 | 5 | source_file = $(target).tex 6 | pdf_file = $(target).pdf 7 | ps_file = $(target).ps 8 | submission_name = power_symbol_proposal.pdf 9 | css_font_embedding_test_page = ../jloughry.github.io/unicode_font_test_page.html 10 | 11 | latex_cmd = xelatex 12 | 13 | temporary_files = *.log *.aux *.out *.idx *.ilg *.bbl *.blg *.ind *.lof *.lot *.toc .pdf $(ps_file) 14 | 15 | graphics_dir = ./graphics 16 | 17 | graphics = $(graphics_dir)/Agilent2011.png $(graphics_dir)/Apple2007.png \ 18 | $(graphics_dir)/HP2009.png $(graphics_dir)/IBM1984.png \ 19 | $(graphics_dir)/IEEE1621.png $(graphics_dir)/Motorola2010.png \ 20 | $(graphics_dir)/Nordman2002-01TP.png $(graphics_dir)/Nordman2002-0T.png \ 21 | $(graphics_dir)/Nordman2002-S.png $(graphics_dir)/Ugolini2013.png \ 22 | ISO_submission_form/n4102-form-completed.pdf 23 | 24 | all:: $(pdf_file) 25 | 26 | $(pdf_file): $(source_file) $(graphics) Makefile 27 | @echo $$(($$(cat $(build_counter)) + 1)) > $(build_counter) 28 | make $(bibtex_file) 29 | $(latex_cmd) $(source_file) 30 | bibtex $(target) 31 | if (grep "Warning" $(target).blg > /dev/null ) then false ; fi 32 | while ( \ 33 | $(latex_cmd) $(target) ; \ 34 | grep "Rerun to get" $(target).log > /dev/null \ 35 | ) do true ; done 36 | @echo "Build `cat $(build_counter)`" 37 | chmod a-x,a+r $(pdf_file) 38 | cp $(pdf_file) $(submission_name) 39 | 40 | proposal: 41 | vi $(source_file) 42 | 43 | vi: proposal 44 | 45 | css: 46 | (cd ../jloughry.github.io && make unicode) 47 | 48 | spell:: 49 | aspell --lang=en_GB -t check $(source_file) 50 | 51 | clean:: 52 | @echo "This is \"clean\" in the local Makefile" 53 | rm -f $(temporary_files) 54 | rm -f proposal.tex.bak 55 | 56 | allclean: clean 57 | rm -f $(pdf_file) $(submission_name) 58 | 59 | include common.mk 60 | 61 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | [How to make your Unicode proposal successful](#lessons_learnt) 2 | =============================================================== 3 | 4 | [Lessons learnt](#lessons_learnt) from our [successful proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf). 5 | 6 |

POWER SYMBOL http://unicodepowersymbol.com

7 | 8 | **Caution:** *Use of proposed or accepted characters is at implementers' 9 | own risk; the composition and allocation of the characters may change 10 | before they are finally published in the Unicode Standard. Always check 11 | the [Unicode Pipeline](http://www.unicode.org/alloc/Pipeline.html) 12 | for the latest guidance.* 13 | 14 | The relevant characters are: 15 | 16 | - U+23FB POWER SYMBOL (⏻ or Unicode POWER SYMBOL) 17 | - U+23FC POWER ON-OFF SYMBOL (⏼ or Unicode POWER ON-OFF SYMBOL) 18 | - U+23FD POWER ON SYMBOL (⏽ or Unicode POWER ON SYMBOL) 19 | - U+23FE POWER SLEEP SYMBOL (⏾ or Unicode <s>BLACK WANING CRESCENT MOON</s> 20 | POWER SLEEP SYMBOL) 21 | 22 | As well as U+2B58 HEAVY CIRCLE (⭘ or Unicode HEAVY CIRCLE) for the power off symbol. 23 | 24 | - Note that POWER SLEEP SYMBOL has been moved into the "Miscellaneous 25 | Technical Symbols" block in the Basic Multilingual Plane (BMP) at position 26 | U+23FE and given its proper name at last. 27 | 28 | See the [latest news](#update20150227) here. We hope to see the new symbols 29 | in Unicode version 9.0, expected in June or July, 2016. 30 | 31 | Add IEC 60417-5009 POWER SYMBOL ⏻ to the Unicode Standard 32 | ================================================================ 33 | 34 | *With sincere thanks to the Unicode Technical Committee, UTC #138, and ISO 10646 JTC1/SC2/WG2 #62!* 35 | 36 | Success! 37 | -------- 38 | 39 | The U+23FB ⏻[∗](#footnote-see-the-characters), 40 | U+23FC ⏼, U+23FD ⏽, U+23FE ⏾, and 41 | U+2B58 ⭘[†](http://www.jwz.org/blog/2011/11/you-doom-us-all-to-inhuman-toil-for-the-one-whose-name-cannot-be-expressed-in-the-basic-multilingual-plane/) 42 | characters now appear in the Unicode 43 | [Pipeline Table](http://www.unicode.org/alloc/Pipeline.html) with the 44 | status of “Accepted”. They can be used now, and designed into 45 | [fonts](#fonts), and they're on their way to be in a future version of the 46 | Unicode Standard after 7.0. The symbols were approved by the ISO 10646 47 | Working Group 2 (JTC 1/SC 2/WG 2) at the WG2 #62 meeting to go into 48 | [Amendment 2 to ISO/IEC 10646:2014](http://www.unicode.org/L2/L2014/14079-n4569.pdf) 49 | for publication in 2016. Right now they are in 50 | [ISO stage 5](http://www.unicode.org/alloc/ISOStages.html). See the 51 | [latest news](#update20140729) for details. 52 | 53 |
54 | 55 | ∗ These are the symbols: 56 | Unicode POWER SYMBOL, 57 | Unicode POWER ON-OFF SYMBOL, 58 | Unicode POWER ON SYMBOL, 59 | Unicode POWER SLEEP SYMBOL, and 60 | Unicode HEAVY CIRCLE, 61 | if you don't have the [font](#fonts) and can't see them yet. 62 | [Look here](http://call-with-current-continuation.com/unicode_font_test_page.html) [*external site*] 63 | for a test of dynamic font loading in your web browser. 64 | 65 | † The suggestion has been made that this character be 66 | co-located with the others in the Basic Multilingual Plane. 67 |
68 | 69 | Feel free to use our [proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) 70 | and [supporting information](#font-embedding-test) as a guide to making your own proposal 71 | a success. 72 | 73 | ### Lessons learnt from a [successful proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf): 74 | 75 | 1. **Attestations are everything.** Committee members need to see *evidence that the characters 76 | are already in common use* in running text before a proposal will be accepted. The more 77 | attestations you provide, the better. Attestations are usually photographs or scans showing the 78 | occurrence of the proposed characters in print. We managed to find attestations dating back to 79 | 1984; some proposals for scripts of historical interest have attestations going back centuries 80 | or millennia.[‡](#success-footnotes) 81 | 82 | 2. Successful proposals **cover every angle and raise every anticipated objection** before those 83 | objections can be raised in committee. Our proposal took the risk of pointing out disagreement 84 | and ambiguities around the usage of some of the characters, especially ⏻; this was 85 | probably one of the strengths of our argument. 86 | 87 | 3. It is possible to do this in a **reasonable amount of time** (around two months, from 88 | start to finish, in our case). 89 | 90 | 4. Some [**artistic drawing talent**](#update20140206) may be helpful. You'll need to make 91 | a new font. 92 | 93 | 5. Do [**provide your font**](#fonts) along with the proposal, preferably through a clickable 94 | link in the PDF of the proposal, even though the 95 | [instructions for submission](http://www.unicode.org/pending/proposals.html) don't ask 96 | for it. During the UTC meeting when your proposal is considered, it's likely that 97 | subcommittee members will need to write a quick proposal in support of your proposal 98 | (that's how it's done) and it'll help them if your font is to hand when they need it. 99 | They can't just extract the font from the PDF of your proposal, as we thought they 100 | might.[§](#success-footnotes) 101 | 102 | 6. Complete the 103 | [ISO/IEC JTC 1/SC 2/WG 2 PROPOSAL SUMMARY FORM TO ACCOMPANY SUBMISSIONS FOR ADDITIONS TO THE REPERTOIRE OF ISO/IEC 10646](http://std.dkuug.dk/JTC1/SC2/WG2/docs/summaryform.html) 104 | and attach it to your proposal. 105 | 106 | 7. The right tool for font design is surprisingly important. A custom font is needed early 107 | in the process because it's needed to write the proposal, but you should design the font 108 | from the beginning to employ arbitrary Unicode code points, because you won't know until 109 | late in the process what the actual code points will be. 110 | [**Some of our work was wasted**](#notes-on-encoding); to avoid that, choose a range in 111 | the [Unicode Private Use Area](http://en.wikipedia.org/wiki/Private_Use_Areas) (E000 to F8FF) 112 | to serve as a placeholder until the UTC suggests real code points. This ensures that 113 | you don't get wrapped up in a font design tool that doesn't support Unicode—especially code 114 | points above FFFF—which lots of programmes still don't support correctly. See 115 | [Notes on Tools for Creating Fonts](#update20140202) below for more information on free font 116 | design tools that work. 117 | 118 | 8. Choose a font file format—SVG is good—that can handle metadata 119 | so it's possible to embed the font licence and designer's contact information in the font file. 120 | *The glyphs that will be standardised, that all subsequent font designers will follow, will be 121 | defined by the final font you submit.* Official font submission happens later in the process; 122 | our proposal has been formally accepted and we haven't been asked for the official font yet, 123 | so we still have an opportunity to [fine-tune](#phase-of-the-moon) the glyphs before then. 124 | 125 | 9. **Friends on the web** are an invaluable resource; sometimes they appear out of nowhere, 126 | provide free technical reviewing services, volunteer their time, and lend a hand. We couldn't 127 | have done it without them. 128 | 129 | 10. See our [successful proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) 130 | here and **use it as a model for your own.** 131 | 132 | 133 |
134 | ‡⏽ and ⭘ were found in the first IBM PC operating manual 135 | on page 1-11, but are believed to have been in use in the late nineteen-seventies. 136 | 137 | §  [Extracting fonts from a PDF file in the form of usable font files](http://stackoverflow.com/questions/3488042/how-can-i-extract-embedded-fonts-from-a-pdf-as-valid-font-files) can be done, 138 | but it's not very easy. 139 | 140 | Get the Fonts Here 141 | ------------------ 142 | 143 | Download one of the [Unicode_IEC_symbol_font.ttf](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.ttf?raw=true) (TrueType), 144 | [Unicode_IEC_symbol_font.otf](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.otf?raw=true) (OpenType), 145 | [Unicode_IEC_symbol_font.ps](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.ps?raw=true) 146 | (PostScript Type 0 font—a CMap file for it will be coming soon) font files 147 | and install it on your system. 148 | 149 | If you have the font installed, the ⏻ characters ⏼ should ⏽ appear 150 | ⏾ inline ⭘ here. (This may not work in all web browsers.) See the 151 | [Web Browser Test](#update20140212) section, especially the 152 | [HTML Font Embedding Test](#font-embedding-test) page below for a more thorough test 153 | of your web browser's support for Unicode fonts. 154 | 155 | *Use of proposed or accepted characters is at implementers’ own risk; the composition and allocation 156 | of the characters may change before they are finally published in the Unicode Standard. Always check 157 | the [Unicode Pipeline](http://www.unicode.org/alloc/Pipeline.html) for the latest guidance.* 158 | 159 | Web Browser Test 160 | ---------------- 161 | 162 | ### Straight Compatibility Test 163 | 164 | Here are the new characters displayed without using HTML font embedding: can you see all of them? 165 | 166 | - ⏻ POWER SYMBOL 167 | - ⏼ POWER ON-OFF SYMBOL 168 | - ⏽ POWER ON SYMBOL 169 | - ⏾ POWER SLEEP SYMBOL 170 | - ⭘ HEAVY CIRCLE (POWER OFF) 171 | 172 | ### HTML Font Embedding Test 173 | 174 | [This page](http://call-with-current-continuation.com/unicode_font_test_page.html) 175 | uses font embedding in HTML and should work on more browsers. 176 | 177 | ### Test Results 178 | 179 | 180 | 181 | 182 | 185 | 188 | 191 | 194 | 197 | 198 | 199 | 202 | 205 | 208 | 211 | 214 | 215 | 216 | 219 | 222 | 225 | 228 | 231 | 232 | 233 | 236 | 239 | 242 | 245 | 248 | 249 | 250 | 253 | 256 | 259 | 262 | 265 | 266 | 268 | 271 | 274 | 277 | 280 | 283 | 284 | 285 | 288 | 291 | 294 | 297 | 300 | 301 | 302 | 305 | 308 | 311 | 314 | 317 | 318 | 320 | 323 | 326 | 329 | 332 | 335 | 336 | 337 | 340 | 343 | 346 | 349 | 352 | 353 | 354 | 357 | 360 | 363 | 366 | 369 | 370 | 371 | 374 | 377 | 380 | 383 | 386 | 387 | 388 | 391 | 394 | 397 | 400 | 403 | 404 | 405 | 408 | 411 | 414 | 417 | 420 | 421 | 422 | 425 | 428 | 431 | 434 | 437 | 438 | 439 | 442 | 445 | 448 | 451 | 454 | 455 | 457 | 460 | 463 | 466 | 469 | 472 | 473 | 474 | 477 | 480 | 483 | 486 | 489 | 490 |
ApplicationVersionPlatformResults
 Unicode POWER SYMBOLUnicode POWER ON-OFF SYMBOLUnicode POWER ON SYMBOLUnicode HEAVY CIRCLEUnicode <s>BLACK WANING CRESCENT MOON</s> POWER SLEEP SYMBOL
Firefox26.0Windows XP Professional Service Pack 3green check markgreen check markgreen check markgreen check markgreen check mark
Firefox26.0Mac OS X 10.6.8 (Intel)green check markgreen check markgreen check markgreen check markred X∗
Firefox27.0Mac OS X 10.6.8 (Intel)green check markgreen check markgreen check markgreen check markred X∗
Firefox27.0Mac OS X 10.9.1 (Intel)green check markgreen check markgreen check markgreen check markgreen check mark
Chrome §32.0.1700.107 mWindows XP Professional 267 | Service Pack 3red X†red X†red X†red X†red X†
(Chrome with font embedding in CSS)green check markgreen check markgreen check markgreen check markgreen check mark
Chrome32.0.1700.107Mac OS X 10.7.5 (Intel)green check markgreen check markgreen check markgreen check markred X†
Safari ∥5.1.7 (7534.57.2)Windows XP Professional 319 | Service Pack 3red X†red X†red X†red X†red X†
(Safari with font embedding in CSS)green check markgreen check markgreen check markgreen check markred X
Safari5.1.10 (6534.59.10)Mac OX X 10.6.8 (Intel)green check markgreen check markgreen check markgreen check markred X†
Safari6.1.1 (7537.73.11)Mac OS X 10.7.5 (Intel)green check markgreen check markgreen check markgreen check markred X†
Safari7.0.1 (9537.73.11)Mac OS X 10.9.1 (Intel)green check markgreen check markgreen check markgreen check markgreen check mark
Safari §, **7.0.6 (11B651)iPadgreen check markgreen check markgreen check markgreen check markgreen check mark
Safari §, **7.0.6 (11B651)iPhonegreen check markgreen check markgreen check markgreen check markgreen check mark
Sea Monkey2.24Mac OS X 10.7.5 (Intel)green check markgreen check markgreen check markgreen check markred X∗
IE 88.0.6001.18702Windows XP Professional 456 | Service Pack 3red X†red X†red X†red X†red X†
(Microsoft Internet Explorer 8 with font embedding in CSS)red X†red X†red X†red X†red X†
491 | 492 | \* Displays a small box with hexadecimal numbers in it like this:  small box with numbers in it. 495 |
496 | † Displays an empty box like this: empty box. 499 |
500 | ‡ See http://gschoppe.com/blog/fixing-unicode-support-in-google-chrome/ 502 | for more information on Unicode support in Chrome under Windows. 503 |
504 | § Full support on these devices (everything works correctly) using 505 | [font embedding in CSS](#font-embedding-test). 506 |
507 | ∥ Partial support (everything but BLACK WANING CRESCENT MOON 508 | POWER SLEEP SYMBOL works) using 509 | [font embedding in CSS](#font-embedding-test). 510 |
511 | Safari displays a black box for BLACK WANING CRESCENT MOON 512 | POWER SLEEP SYMBOL, like this: . 514 | alt="black box"/> 515 |
516 | \*\* iOS was the only software found to display stacked diacritics correctly. 517 | 518 | Latest News 519 | ----------- 520 | 521 | *(27th February 2015)* 522 | 523 | - [Feedback](http://blog.unicode.org/2015/02/feedback-on-repertoire-for-isoiec.html) 524 | on the 525 | [draft repertoire for ISO/IEC 10646:2014 (4th Edition, Amendment 2)](http://www.unicode.org/L2/L2015/15028-n4658-pdam23-charts.pdf) 526 | is being sought by the Unicode Technical Committee (UTC) this week. The 527 | relevant characters are: 528 | 529 | - U+23FB POWER SYMBOL 530 | - U+23FC POWER ON-OFF SYMBOL 531 | - U+23FD POWER ON SYMBOL 532 | - U+23FE POWER SLEEP SYMBOL 533 | 534 | - As well as U+2B58 HEAVY CIRCLE for the power off symbol. 535 | 536 | - Note that POWER SLEEP SYMBOL has been moved into the "Miscellaneous 537 | Technical Symbols" block in the Basic Multilingual Plane (BMP) at position 538 | U+23FE and given its proper name at last. 539 | 540 | *(27th October 2014)* 541 | 542 | - For historical reasons, [this](http://hea-www.harvard.edu/~fine/OSX/unicode_apple_logo.html) 543 | was probably the original inspiration for this project (see [Reference 10](#ref10)). 544 | 545 | *(20th August 2014)* 546 | 547 | - New major revisions of Unicode are now expected to be published every year in June; 548 | look for Unicode 8.0 in June 2015, and Unicode 9.0 in June 2016. 549 | 550 | *(29th July 2014)* 551 | 552 | - Unicode 8.0 will contain Amendment 1 characters but probably not Amendment 2; these 553 | will come later in the calendar. The repertoire in which our symbols appear is 554 | [ISO/IEC 10646:2014 (4th Edition, Amendment 2)](http://www.unicode.org/L2/L2014/14142-10646-4th-pdam2.pdf). 555 | 556 | - [Feedback](http://www.unicode.org/review/pri276/) by others on Amendment 2 has suggested 557 | that POWER SLEEP SYMBOL ought to be encoded in the "Miscellaneous Technical Symbols" block 558 | in the Basic Multilingual Plane (BMP), perhaps at U+23FE. This would co-locate it "...with 559 | the other power related symbols in the same Unicode block." 560 | 561 | *(27th June 2014)* 562 | 563 | - The new symbols 23FB POWER SYMBOL, 23FC POWER ON-OFF SYMBOL, 23FD POWER ON SYMBOL, 564 | and 1F32D BLACK WANING CRESCENT MOON (use for POWER SLEEP SYMBOL) 565 | 23FE POWER SLEEP SYMBOL, together with the 566 | new cross reference on 2B58 HEAVY CIRCLE (use for POWER OFF SYMBOL) appear in the 567 | [Draft Additional Repertoire for Amendment 2 to ISO/IEC 10646:2014 568 | (4th Edition)](http://www.unicode.org/L2/L2014/14142-10646-4th-pdam2.pdf). The draft 569 | repertoire is in the Proposed Draft Amendment (PDAM) stage. 570 | [Your help is requested](http://www.unicode.org/review/pri276/) to discover any errors 571 | in character names, incorrect glyphs, or other problems. 572 | 573 | *(11th March 2014)* 574 | 575 | - I was interviewed on the 576 | [BBC Radio 5](http://downloads.bbc.co.uk/podcasts/fivelive/pods/pods_20140311-0600a.mp3) 577 | programme *Outriders* by Jamillah Knowles. 578 | 579 | *(5th March 2014)* 580 | 581 | - The [Unicode Pipeline Table](http://www.unicode.org/alloc/Pipeline.html) has been updated. 582 | Our new characters are in [ISO stage 5](http://www.unicode.org/alloc/ISOStages.html) (of 8 stages) 583 | and on track for publication in 2016 as 584 | [amendment 2 to ISO/IEC 10646:2014](http://www.unicode.org/L2/L2014/14079-n4569.pdf). 585 | 586 | *(25th February 2014)* 587 | 588 | - The symbols were approved by the ISO 10646 Working Group 2 (JTC 1/SC 2/WG 2) at the 589 | WG2 #62 meeting this week to go onto an ISO amendment; the document number of the proposal 590 | is N4567. 591 | 592 | *(14th February 2014)* 593 | 594 | - The new characters appear in the 595 | [Pipeline Table](http://www.unicode.org/alloc/Pipeline.html). 596 | 597 | - Starting a write-up for [Hacker News](https://news.ycombinator.com/) (not published yet). 598 | See [my advice to HN readers](#update20140221) in progress. 599 | 600 | *(12th February 2014)* 601 | 602 | - [Test page](#update20140212) for web browsers. 603 | 604 | *(8th February 2014)* 605 | 606 | - Working on a [CMap file](#ref9) for the Postscript Type 0 font. 607 | 608 | *(7th February 2014)* 609 | 610 | - Here is a [diagram](#update20140207) of the compass and straightedge construction. 611 | 612 | *(6th February 2014)* 613 | 614 | - [Notes on Constructing the BLACK WANING CRESCENT MOON POWER SLEEP SYMBOL](#update20140206) 615 | with compass and straightedge. 616 | 617 | - Updated [proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) 618 | according to revision notes from UTC #138. 619 | 620 | *(5th February 2014)* 621 | 622 | - New fonts with Unicode character code points: 623 | [Unicode_IEC_symbol_font.ttf](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.ttf?raw=true) (TrueType) and 624 | [Unicode_IEC_symbol_font.otf](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.otf?raw=true) (OpenType). 625 | 626 | - See the updated 627 | [proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) 628 | (in Table 6 on page 7 of the PDF file) for instructions on how to type the new characters. 629 | 630 | - The Unicode POWER SLEEP SYMBOL (POWER SLEEP SYMBOL) character now exhibits the 633 | [correct phase of the moon](#update20140206). 634 | 635 | - Updated [TO-DO](#TO-DO) list for wish-list items like `&power;`. 636 | 637 | *(4th February 2014)* 638 | 639 | - The UTC voted and formally accepted the following characters and code 640 | points:[7](#ref7), [8](#ref8) 641 | 642 | 643 | 644 | 645 | 646 | 647 | 648 | 649 | 650 | 653 | 654 | 655 |
Unicode POWER SYMBOLU+23FBPOWER SYMBOL
  x 2B58 Unicode HEAVY CIRCLE heavy circle
Unicode POWER ON-OFF SYMBOLU+23FCPOWER ON-OFF SYMBOL
Unicode POWER ON SYMBOLU+23FDPOWER ON SYMBOL
Unicode HEAVY CIRCLEU+2B58HEAVY CIRCLE
  x 23FB Unicode POWER SYMBOL power symbol
  • power off symbol
Unicode <s>BLACK WANING CRESCENT MOON</s> 651 | POWER SLEEP SYMBOLU+1F32D 652 | U+23FEBLACK WANING CRESCENT MOON POWER SLEEP SYMBOL
  x 23FB Unicode POWER SYMBOL power symbol
  • power sleep symbol
656 | 657 | ### Unicode Character Properties 658 | 659 | 
23FB;POWER SYMBOL;So;0;ON;;;;;N;;;;;
 660 | 23FC;POWER ON-OFF SYMBOL;So;0;ON;;;;;N;;;;;
 661 | 23FD;POWER ON SYMBOL;So;0;ON;;;;;N;;;;;
 662 | 1F32D;BLACK WANING CRESCENT MOON;So;0;ON;;;;;N;;;;;
 663 |
664 | 665 | #### The last line above has since been changed to: 666 | 667 | 
23FE;POWER SLEEP SYMBOL;So;0;ON;;;;;N;;;;;
 668 |
669 | 670 | *(3rd February 2014)* 671 | 672 | - [Results of the UTC meeting](#update20140203) today. 673 | 674 | *(2nd February 2014)* 675 | 676 | - OpenType version of the 677 | [old font](https://github.com/jloughry/Unicode/blob/master/iec_symbol_font.otf?raw=true) 678 | and some more [information](#update20140202) on how the fonts were made. 679 | 680 | Get the fonts here: 681 | [TrueType](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.ttf?raw=true) 682 | or 683 | [OpenType](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.otf?raw=true) 684 | format. 685 | 686 | *(29th January 2014)* 687 | 688 | - We made it onto the [agenda](http://www.unicode.org/L2/L2014/14025.htm) for the 689 | [3–6 February 2014 meeting](http://www.unicode.org/timesens/logistics-utc138.html) 690 | of the [Unicode Technical Committee](http://www.unicode.org/consortium/utc.html)! 691 | 692 | - The proposal as submitted is 693 | [here](http://www.unicode.org/L2/L2014/14009-power-symbol.pdf) 694 | on the Unicode Consortium web site. 695 | 696 | *(Previous updates are [here](#update20140129).) 697 | 698 | Historical Section and Proposal Development 699 | =========================================== 700 | 701 | The following sections describe, in approximately chronological order, how the proposal 702 | was developed from start to finish. We began the project on 1st December 2013 and reached 703 | our goal the first week of February 2014. 704 | 705 | The IEC 60417-5009 “Stand-by” Symbol 706 | ------------------------------------------------ 707 | 708 | On 1 December 2013, [Terence Eden](http://shkspr.mobi/blog/) posed a question to 709 | [Hacker News](https://news.ycombinator.com/item?id=6828102) asking why Unicode lacks 710 | the international symbol that appears on power switches. After searching for a while, 711 | I learnt he was right — in fact, Unicode lacks all of the following 712 | symbols:[1](#ref1) 713 | 714 | 715 | 716 | 717 | 718 | 719 | 720 | 721 | 722 | 723 | 727 | 731 | 735 | 739 | 743 | 744 | 745 | 746 | 747 | 748 | 749 | 750 | 751 | 752 |
IEC 60417-5007IEC 60417-5008IEC 60417-5009IEC 60417-5010IEEE 1621
IEC-5007 ON (power) symbolIEC-5008 OFF (power) symbolIEC-5009 Stand-by symbolIEC-5010 On/OFF (push-push) symbolIEEE 1621 Sleep symbol
“ON” (power)“OFF” (power)“Stand-by”“ON”/“OFF” (push-push)“Sleep”
Click on any image for SVG.
753 | 754 | Source of the above images: [Wikipedia](http://en.wikipedia.org/wiki/Power_symbol). 755 | The first four symbols were drawn by Wikipedia users 756 | [klork](http://commons.wikimedia.org/wiki/User:Klork) and 757 | [DarkEvil](http://commons.wikimedia.org/wiki/User:DarkEvil); 758 | the moon was made specifically for this purpose from the specifications in the 759 | [precise drawing](http://energy.lbl.gov/controls/publications/moonsymbol-brown.pdf). 760 | 761 | Clearly these would be useful to anyone writing technical or user manuals. In fact, for 762 | electronically publishing documentation, it is crucial to have symbols defined in 763 | Unicode because it makes them search-able in text. 764 | 765 | How to Add Symbols to Unicode 766 | ----------------------------- 767 | 768 | [The Unicode Consortium](http://www.unicode.org/) has a procedure for 769 | [submitting character proposals](http://www.unicode.org/pending/proposals.html). None of 770 | the above symbols appear in the [pipeline](http://www.unicode.org/pending/proposals.html) 771 | of proposed new symbols, so **let's do it!** 772 | 773 | There are a few crescent moon symbols in Unicode already: the 🌙 774 | CRESCENT MOON (U+1F319), ☽ FIRST QUARTER MOON (U+263D), and 775 | ☾ LAST QUARTER MOON (U+263E) symbols, but none of them are exactly 776 | like the IEEE 1621 symbol; U+1F319 is closest, but faces the opposite direction. 777 | 778 | Getting Access to the “Official” Symbols 779 | ---------------------------------------------------- 780 | 781 | [IEC](http://www.iec.ch/) charges 782 | [400 Swiss Francs](http://webstore.iec.ch/webstore/webstore.nsf/artnum/029221) 783 | (currently $440 USD) for their standard.[2](#ref2)   784 | [IEEE](http://standards.ieee.org/) charges 785 | [$58](http://www.techstreet.com/ieee/products/vendor_id/3344) for the 786 | IEEE 1621 standard.[3](#ref3) 787 | 788 | Before submitting a proposal, I would like to verify the specifications for each 789 | symbol shown above in IEEE 1621-2004 and IEC 61417, which is also 790 | [ISO 7000:2012](http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=60898), 791 | and then translate those into whatever form of description is required by Unicode. 792 | 793 | The ISO standard is free.[4](#ref4) 794 | 795 | Copyright of the Symbols 796 | ------------------------ 797 | 798 | [Alex Stapleton](https://twitter.com/alexstapleton) in 799 | [this conversation](https://twitter.com/alexstapleton/status/407468582860111873) 800 | on Twitter checked the introduction of IEC 60417 for copyright information and 801 | vector drawings of the symbols. 802 | 803 | The [SVG](http://en.wikipedia.org/wiki/Svg) files for the symbols in the table 804 | are public domain. 805 | 806 | You know, it's 807 | [really hard](http://graphicdesign.stackexchange.com/questions/8586/can-i-freely-use-the-fire-exit-symbol-and-similar-iso-symbols) 808 | to find a straight answer to the question of whether ISO standard symbols are 809 | copyrighted by ISO. Evidently, they are not, but the standard *doesn't say so*. 810 | 811 | Here is what I think the law says: 812 | 813 | - Everyone is encouraged to make their things compliant with relevant and current 814 | ISO standards. 815 | 816 | - To do so, makers need a copy of the standard; they can purchase it from ISO. 817 | 818 | - Copyright of the standard document itself belongs to ISO, so pirating standards 819 | documents is a no-no. 820 | 821 | - But there is no royalty cost or anything like that on things made according to 822 | the standard. 823 | 824 | I have been unable so far to find a clear statement anywhere that **making things 825 | that are compliant with an ISO standard** is allowed. It's probably buried in the 826 | ISO by-laws. 827 | 828 | I'm not going to worry about it. The Unicode Technical Committee undoubtedly has 829 | thought about this before and probably knows the answer. 830 | 831 | Draft Proposal 832 | -------------- 833 | 834 | The current draft proposal is always 835 | [here](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) (PDF). 836 | 837 | #### Acknowledgements 838 | 839 | Thanks to everyone here for technical reviews, suggestions, improvements, and 840 | finding errors and omissions: 841 | 842 | - Terence Eden 843 | 844 | - Bruce Nordman 845 | 846 | - Adam De Witt 847 | 848 | - [@yuasakusa](https://twitter.com/yuasakusa) 849 | 850 | - Rick McGowan 851 | 852 | #### Late Updates to the Proposal 853 | 854 | I changed the *name* character properties of some of the proposed characters to 855 | be more descriptive, and to remove a disallowed character, in response to a 856 | [Twitter note](https://twitter.com/yuasakusa/status/424666695626530816) from 857 | [@yuasakusa](https://twitter.com/yuasakusa)—thanks! 858 | 859 | In brief, the suggested character properties are now (with names and code points from UTC #138): 860 | 861 | 862 | 863 | 864 | 865 | 866 | 867 | 868 | 869 | 870 | 871 | 872 | 873 | 874 | 875 | 876 | 877 | 878 | 879 | 880 |
CharCPUnicode NameGCCCBCDNTNVB1IULT
IEC-5009 POWER symbol23FBPOWER SYMBOL[*](#note-star)So0ON   N     
IEC-5008 POWER OFF symbol2B58HEAVY CIRCLE[†](#note-dagger)So0ON   N     
IEEE 1621 SLEEP symbol1F32D 23FEPOWER SLEEP
SYMBOL BLACK WANING
CRESCENT MOON[‡](#note-double-dagger)		So0ON   N     
IEC-5007 POWER ON symbol23FDPOWER ON SYMBOLSo0ON   N     
IEC-5010 POWER ON-OFF symbol23FCPOWER ON-OFF
SYMBOL		So0ON   N     
881 | 882 | Notes: 883 | 884 | ∗This character is cross referenced to Unicode HEAVY CIRCLE. 885 | 886 | †This character is aliased to POWER OFF SYMBOL and cross referenced to Unicode POWER SYMBOL. 887 | 888 | ‡This character is aliased to POWER SLEEP SYMBOL and cross referenced to Unicode POWER SYMBOL. 889 | 890 | *(22nd January 2014)* 891 | 892 | - [Thanks](#update20140122) to everyone who's contributed! 893 | 894 | *(21st January 2014)* 895 | 896 | - The required *ISO/IEC JTC 1/SC 2/WG 2 PROPOSAL SUMMARY FORM TO ACCOMPANY 897 | SUBMISSIONS FOR ADDITIONS TO THE REPERTOIRE OF ISO/IEC 10646* is now 898 | included in the [proposal](#update20140121). 899 | 900 | *(19th January 2014)* 901 | 902 | - [Changed the *name* character properties](#update20140119) to be more descriptive. 903 | 904 | - Removed disallowed slash from the name of the IEC-5010 POWER ON-OFF symbol symbol in the proposal. 907 | 908 | *(16th January 2014)* 909 | 910 | - Changed name of the TrueType font to 911 | [IECsymbol](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.ttf?raw=true) 912 | everywhere. 913 | 914 | - TrueType font files in Windows need to have the 'execute' permission set in UNIX (0755) 915 | or they aren't recognised as a valid font file. 916 | 917 | *(15th January 2014)* 918 | 919 | - We have a document number! It is 920 | [L2/14-009](http://www.unicode.org/L2/L2014/14009-power-symbol.pdf). 921 | 922 | - New co-author. 923 | 924 | - Corrected wrong usage of the IEEE 1621 “sleep” 925 | symbol everywhere. 926 | 927 | - In response to a reviewer's question, I added evidence of the symbols' usage 928 | in running text. I was able to find evidence dating as far back as the 929 | [IBM PC/XT *Guide to Operations*](http://www.retroarchive.org/dos/docs/ibm_pc_op_guide.pdf) 930 | from 1984. 931 | 932 | - Added further notes on [copyright](#update20140115). 933 | 934 | *(14th January 2014)* The UTC agenda for the 3—6 February 2014 meeting is 935 | now being compiled. 936 | 937 | *(13th January 2014)* The proposal is [ready to send](#update20140113) to UTC 938 | in time for the February meeting. 939 | 940 | *(11th January 2014)* [Call for agenda items](#update20140111) from the Unicode 941 | Technical Committee (UTC). 942 | 943 | *(7th January 2014)* [How you can help](#update20140107). 944 | 945 | #### Schedule for submitting the proposal 946 | 947 | The [proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) 948 | was submitted and approved by UTC #138. 949 | 950 | #### ISO Submission Form 951 | 952 | The *ISO/IEC JTC 1/SC 2/WG 2 PROPOSAL SUMMARY FORM TO ACCOMPANY SUBMISSIONS 953 | FOR ADDITIONS TO THE REPERTOIRE OF ISO/IEC 10646* form is appended to the proposal. 954 | 955 | #### Document Submission Notes 956 | 957 | - The call for agenda items for the UTC meeting in February is out. 958 | 959 | - I joined the Unicode Consortium as a 960 | [student member](http://www.unicode.org/consortium/levels.html#student) 961 | to get on the mailing list for Unicode Technical Committee meeting announcements 962 | and to gain access to the member section of the web site. 963 | 964 | - I have the document submission details now (it's in the members section). 965 | It is encouraged that a representative for each proposal to the 966 | [UTC](http://unicode.org/consortium/utc.html) should attend the meeting 967 | and present the document. The next meeting is 968 | [February 3–6, 2014](http://www.unicode.org/timesens/calendar.html) at 969 | [IBM in San Jose, California](http://www.unicode.org/timesens/logistics-utc138.html). 970 | 971 | ### How You Can Help 972 | 973 | We need reviewers for the draft proposal. It's not ready yet, but starting in a 974 | few days, [email me](mailto:joe.loughry@stx.ox.ac.uk) for a copy. What we are 975 | looking for is not just copy-editing, but: 976 | 977 | - Was there anything you tripped over? 978 | 979 | - Anything that felt out of place or inappropriate? 980 | 981 | - Is something missing? 982 | 983 | - Technical errors... 984 | 985 | - Spelling, grammar, or other problems, of course. 986 | 987 | Any review is valuable, but the most useful of all can be things like, 988 | *I got bored half-way through this section*. The current draft proposal is always 989 | [here](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) (PDF). Email 990 | the author or use a GitHub [issue](https://github.com/jloughry/Unicode/issues), 991 | however you prefer. 992 | 993 | Thanks to Adam De Witt for the idea! 994 | 995 | ### TO-DO 996 | 997 | - Get the [World Wide Web Consortium (W3C)](http://www.w3c.org) to define HTML named character 998 | entities such as `&power;` for the new symbols to make them easier to type in HTML and XML. 999 | 1000 | - Improve the metadata in the fonts to include, at minimum, licence and description 1001 | information. These get embedded in the font file if present in the SVG source code. 1002 | 1003 | - Update the [Wikipedia page](http://en.wikipedia.org/wiki/Power_symbol) as soon 1004 | as it's official; Wikipedia admins keep 1005 | [reverting](http://en.wikipedia.org/w/index.php?title=Power_symbol&action=history) 1006 | changes made to the article pointing to this project. Thanks to 1007 | [daveljonez](https://github.com/daveljonez) for pointing this out. 1008 | 1009 | - Write a follow-up article for HN. 1010 | 1011 | ### DONE 1012 | 1013 | - Determine “character properties” like name, bidirectional 1014 | class, upper and lowercase mapping, line-breaking behaviour, and collation order 1015 | for the new symbols we're proposing. 1016 | 1017 | - Check the IEC and IEEE standards to verify that the symbols in the new font 1018 | are compliant with the specifications in the standards. 1019 | 1020 | - Read [guidelines](http://www.unicode.org/pending/proposals.html) and 1021 | [FAQ](http://www.unicode.org/faq/char_proposal.html) on the Unicode Consortium 1022 | web site for required or recommended proposal format. 1023 | 1024 | - Check to make sure these symbols are not in any upcoming draft standard. 1025 | 1026 | In the [latest edition](http://www.unicode.org/Public/UCD/latest/) of the standard, 1027 | *The Unicode Standard, Version 6.3.0* [5](#ref5), released 27th September 1028 | 2013, there are 11 occurrences of the word *power* in the Unicode Character Database: 1029 | 1030 | 1031 | 1032 | 1033 | 1034 | 1035 | 1036 | 1037 | 1038 | 1039 | 1040 | 1041 | 1042 | 1043 | 1044 | 1045 | 1046 | 1047 | 1048 | 1049 | 1050 | 1051 | 1052 | 1053 | 1054 | 1055 | 1056 | 1057 |
SectionCode PointDescription
Telugu fractions and weights
0C78TELUGU FRACTION DIGIT ZERO FOR ODD POWERS OF FOUR
0C79TELUGU FRACTION DIGIT ONE FOR ODD POWERS OF FOUR
0C7ATELUGU FRACTION DIGIT TWO FOR ODD POWERS OF FOUR
0C7BTELUGU FRACTION DIGIT THREE FOR ODD POWERS OF FOUR
0C7CTELUGU FRACTION DIGIT ONE FOR EVEN POWERS OF FOUR
0C7DTELUGU FRACTION DIGIT TWO FOR EVEN POWERS OF FOUR
0C7ETELUGU FRACTION DIGIT THREE FOR EVEN POWERS OF FOUR
Miscellaneous Symbols26EEGEAR WITH HANDLES (= power plant, power substation)
Kangxi Radicals2F12KANGXI RADICAL POWER
Yijing Hexagram Symbols4DE1HEXAGRAM FOR GREAT POWER
Mathematical Alphanumeric Symbols1D4ABMATHEMATICAL SCRIPT CAPITAL P (= power set)
1058 | 1059 | ...but not the IEC power symbol. There are none in [BETA](http://www.unicode.org/ucd/#Beta) 1060 | right now, nor in the [pipeline](http://www.unicode.org/pending/proposals.html) as of 1061 | 20-December-2013; therefore, it is proper to submit a proposal at this time. Hints for 1062 | [Submitting Successful Character and Script Proposals](http://www.unicode.org/faq/char_proposal.html) 1063 | for submitting good proposals are being looked at. 1064 | 1065 | - Circulate the draft proposal for review. 1066 | 1067 | - Submit proposal to the UTC. 1068 | 1069 | - Put the new [code points](#update20140204) in the font. 1070 | 1071 | - Fix the axial tilt of the crescent moon POWER SLEEP SYMBOL to match the 1072 | [precise drawing](http://energy.lbl.gov/controls/publications/moonsymbol-brown.pdf) 1073 | and [explanation](http://energy.lbl.gov/controls/publications/moonsymbol020621.pdf) 1074 | of the drawing.[6](#ref6) 1075 | 1076 | - Document the compass-and-straightedge construction of the Unicode POWER SLEEP SYMBOL. 1077 | 1078 | - Make a PostScript font and CMAP file. 1079 | 1080 | ### Deadlines 1081 | 1082 | The calendar has been updated; the next quarterly meeting of the 1083 | [Unicode Technical Committee (UTC)](http://unicode.org/consortium/utc.html) will 1084 | take place [3–6 February 2014](http://www.unicode.org/timesens/calendar.html) 1085 | in San Jose, California. The next meeting after that is 6–9 May 2014. 1086 | I want to get our proposal submitted in time to make the agenda for the February 1087 | meeting (two weeks in advance). 1088 | 1089 | ### Results of the Unicode Technical Committee meeting on 3rd February 2014 1090 | 1091 | On the first day of their quarterly meeting, the Unicode Technical Committee (UTC) 1092 | reviewed our proposal first thing. There was discussion of whether some of the symbols 1093 | (POWER ON and POWER OFF) ought to be “unified” with existing symbols such 1094 | as the ASCII vertical bar. An *ad hoc* group discussed the unification question and 1095 | came back later in the day with a short document or counter-proposal listing names and 1096 | code points. The UTC is expected to vote on it tomorrow. 1097 | 1098 | ### What To Do Next 1099 | 1100 | After the proposal is submitted, I plant to submit a “Show HN” post 1101 | on HN telling how it was done. 1102 | 1103 | Notes on Tools for Creating Fonts 1104 | --------------------------------- 1105 | 1106 | There is an excellent 1107 | [SVG font tutorial](http://www.webdesignerdepot.com/2012/01/how-to-make-your-own-icon-webfont/) 1108 | specifically aimed at generating icon fonts. It includes an SVG font starter file, 1109 | instructions for using the SVG font editor built into Inkscape 0.48, recommendations 1110 | about which on-line font converters are most reliable, and tips for editing the 1111 | metadata and distributing the new font afterwards. 1112 | 1113 | Following the above recommendation, the 1114 | [Free Online Font Converter](http://www.freefontconverter.com/) was used to generate 1115 | [TrueType](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.ttf?raw=true) 1116 | and 1117 | [OpenType](https://github.com/jloughry/Unicode/blob/master/Unicode_IEC_symbol_font.otf?raw=true) 1118 | fonts from the 1119 | [SVG source](https://github.com/jloughry/Unicode/blob/master/graphics/Unicode_IEC_symbol_font.svg?raw=true) 1120 | file that was made with Inkscape. 1121 | 1122 | ### LaTeX 1123 | 1124 | These instructions for 1125 | [using TrueType fonts in LaTeX](http://fachschaft.physik.uni-greifswald.de/~stitch/ttf.html) 1126 | are straightforward, but a better method is to use 1127 | [XeTeX](http://en.wikipedia.org/wiki/XeTeX) 1128 | which has built-in support for TrueType fonts already installed in the OS, 1129 | and is available in MiKTeX 2.9. 1130 | 1131 | Notes on Encoding 1132 | ----------------- 1133 | 1134 | Note: This section is obsolete; the [new fonts](#update20140205) have 1135 | [Unicode code points](#code-points) and should be used now. 1136 | 1137 | When designing a new font of symbols where there is no pre-existing ordering to use, what is the 1138 | best way to define the encoding? There are practical and aesthetic reasons for doing it 1139 | thoughtfully. The practical reason is, encodings are shared across fonts, and if a string encoded 1140 | in your new symbol font is accidentally changed to or displayed in a different font, it may 1141 | coincidentally spell out a message that is 1142 | [nonsensical, confusing, or offensive](http://www.snopes.com/rumors/wingdings.asp). 1143 | (Microsoft had this problem with the Wingdings font; it was either a coincidence or a conspiracy 1144 | depending on who's telling the story.) 1145 | 1146 | Years ago at Lockheed, they had a special font containing the corporate logo in a few sizes, 1147 | for use in Microsoft Word before such graphics were common. It was not uncommon back then to 1148 | open a Word document and see a big “L” on the page where the letterhead was 1149 | supposed to be, because the font wasn't loaded. The fact suggests that the font designer 1150 | thought about the encoding and put the corporate logo in the capital-L encoding slot for 1151 | that reason, so it would fail gracefully if the font were unavailable. 1152 | 1153 | In the absence of any well-defined convention for code pages in “sparse” 1154 | symbol fonts, here is a proposed encoding for the 1155 | [old font](https://github.com/jloughry/Unicode/blob/master/iec_symbol_font.ttf?raw=true): 1156 | 1157 | 1158 | 1159 | 1160 | 1164 | 1167 | 1170 | 1173 | 1176 |
Code PointSymbolRationaleNote
PIEC-5009 symbol“power”1
SIEEE 1621 sleep symbol“sleep” 
TIEC-5010 symbol“toggle” 
0IEC-5008 symbolbinary “0” 
1IEC-5007 symbolbinary “1” 
1177 | 1178 | ### Notes 1179 | 1180 | 1. This usage of the “power” symbol is in 1181 | accordance with the recommendation in IEEE 1621:2004 to use the 1182 | ![IEC-5009](https://github.com/jloughry/Unicode/raw/master/graphics/18px-IEC5009_Standby_Symbol.svg.png) 1183 | symbol to mean “power” as everyone in the world except IEC and ISO thinks it means, 1184 | and to use the 1185 | ![moon](https://github.com/jloughry/Unicode/raw/master/graphics/18px-Unicode_POWER_SLEEP_SYMBOL.svg.png) 1186 | symbol to mean “sleep”. 1187 | 1188 | Notes on XeTeX 1189 | -------------- 1190 | 1191 | XeTeX in the current version of MiKTeX has a bug that causes a harmless message 1192 | during compilation, `** WARNING ** Couldn't open font map file "kanjix.map"`. To 1193 | avoid it, place an empty file called `kanjix.map` in the current directory. 1194 | 1195 | Notes on Constructing the BLACK WANING CRESCENT MOON POWER SLEEP SYMBOL 1196 | -------------------------------------------------------------------------------------------------------- 1197 | 1198 | To construct the symbol, first construct a line with a perpendicular. Call their 1199 | intersection the origin. Draw a circle of radius r centred on the origin. 1200 | Draw a larger circle centred on the horizontal line to the right of the origin 1201 | with radius 5r/4 and passing through a point r/2 to the left of the 1202 | origin. Both circles should intersect the vertical line through the origin at the 1203 | same two points. The centre of the large circle should be 3r/4 to the 1204 | right of the origin. The desired crescent is the area of the smaller circle 1205 | outside the larger circle. Rotate the crescent about the centre of the smaller 1206 | circle anti-clockwise 23.44° to match the axial tilt of Earth. 1207 | 1208 | compass and straightedge construction of the POWER SLEEP SYMBOL 1211 | 1212 | Analytically, for the purpose of drawing things with a computer, the angle of the arc 1213 | of the larger circle between the horns of the crescent is nontrivial to calculate; a 1214 | much more straightforward way to construct the crescent given the usual computer 1215 | drawing tools is to draw two complete circles centred on a horizontal line, the 1216 | smaller circle centred on the origin with radius r and the larger circle 1217 | centred on the same horizontal line at 3r/4 to the right of the origin with 1218 | radius 5r/4. Fill the smaller circle with black and the larger circle, atop 1219 | it, with background colour. Some drawing programmes allow you to subtract the large 1220 | circle from the small circle, thereby yielding immediately the desired crescent shape. 1221 | 1222 | In either case, fill the crescent with black and rotate it 23.44° anti-clockwise 1223 | around the centre of the smaller circle to complete the drawing. 1224 | 1225 | References 1226 | ---------- 1227 | 1228 | *See the last page of the current 1229 | [proposal](https://github.com/jloughry/Unicode/raw/master/proposal.pdf) 1230 | (PDF) for a more up-to-date list of references.* 1231 | 1232 | 1. “Power symbol” *Wikipedia*. 1233 | http://en.wikipedia.org/wiki/Power_symbol#Definitions 1234 | 1235 | 2. International Electrotechnical Commission. 1236 | *Graphical symbols for use on equipment*. IEC 60417, 2005. 1237 | 1238 | 3. IEEE Standards Association. *IEEE Standard for 1239 | User Interface Elements in Power Control of Electronic Devices Employed 1240 | in Office/Consumer Environments*. IEEE Standard 1621-2004. 1241 | 1242 | 4. International Organisation for Standardisation. *Graphical 1243 | symbols for use on equipment -- Registered symbols*. ISO 7000:2012. 1244 | 1245 | 5. The Unicode Consortium. *The Unicode Standard, Version 6.3.0*, 1246 | (Mountain View, CA: The Unicode Consortium, 2013. ISBN 978-1-936213-08-5). 1247 | [http://www.unicode.org/versions/Unicode6.3.0/](http://www.unicode.org/versions/Unicode6.3.0/) 1248 | 1249 | 6. California Energy Commission, Public Interest Energy Research Program. *The 1250 | Power Control User Interface Standard: Consultant Report*. Report number P500-03-012F: Lawrence 1251 | Berkeley National Laboratory, December 2002. 1252 | [http://energy.lbl.gov/controls/publications/P500-03-012F.pdf](http://energy.lbl.gov/controls/publications/P500-03-012F.pdf) 1253 | 1254 | 7. Michael Everson. “Towards a proposal to encode power symbols 1255 | in the UCS”. Working Group Document ISO/IEC JTC/SC2/WG2 N4xxx, L2/14-059, 4th February 1256 | 2014. 1257 | [http://www.unicode.org/L2/L2014/14059-power.pdf](http://www.unicode.org/L2/L2014/14059-power.pdf) 1258 | 1259 | 8. Ken Lunde. “The latest on power symbols in Unicode”. Twitter: 1260 | [https://twitter.com/ken_lunde/status/430833714663522304](https://twitter.com/ken_lunde/status/430833714663522304) 1261 | on 4th February 2014. 1262 | 1263 | 9. Adobe Systems Incorporated. *Building CMap Files for CID-Keyed Fonts*. 1264 | Technical Note #5099, 14 October 1998. 1265 | 1266 | 10. Tom Fine. “The Apple Logo in Unicode”. 1267 | *Thomas A. Fine's blog*: 1268 | [http://hea-www.harvard.edu/~fine/OSX/unicode_apple_logo.html](http://hea-www.harvard.edu/~fine/OSX/unicode_apple_logo.html). 1269 | Updated 2008, 2010. 1270 | 1271 | -------------------------------------------------------------------------------- /Unicode_IEC_symbol_font.cmap: -------------------------------------------------------------------------------- 1 | %!PS-Adobe-3.0 Resource-CMap 2 | %%DocumentNeededResources: ProcSet (CIDInit) 3 | %%IncludeResource: ProcSet (CIDInit) 4 | %%BeginResource: CMap (Unicode_IEC_symbol_font.cmap) 5 | %%Title: (Unicode_IEC_symbol_font TeX IECSymbol 0) 6 | %%Version: 1.000 7 | %%EndComments 8 | 9 | % 10 | % pieces that may not be correct yet: CMap name, Title, /Registry, /Ordering, 11 | % /Supplement, XUID, notdefrange. 12 | % 13 | 14 | /CIDInit /ProcSet findresource begin 15 | 16 | 12 dict begin 17 | 18 | begincmap 19 | 20 | /CIDSystemInfo 3 dict dup begin 21 | /Registry (TeX) def 22 | /Ordering (IECsymbol) def 23 | /Supplement 0 def 24 | end def 25 | 26 | /CMapName /UnicodeIECsymbol def 27 | 28 | /CMapVersion 1.000 def 29 | /CMapType 1 def 30 | 31 | /XUID [1 10 25356] def 32 | 33 | /WMode 0 def % horizontal writing mode, i.e., we're not writing in Chinese 34 | 35 | 2 begincodespacerange 36 | <23FB> <23FE> % Unicode POWER SYMBOL, POWER ON-OFF SYMBOL, POWER ON SYMBOL, POWER SLEEP SYMBOL 37 | <2B58> <2B58> % Unicode HEAVY CIRCLE 38 | endcodespacerange 39 | 40 | 1 beginnotdefrange 41 | <0000> <001f> 1 42 | endnotdefrange 43 | 44 | 5 begincidrange % 5 is the number of mapping lines in the CID range 45 | <23FB> <23FB> 1 % mapping lines must be in increasing hex order 46 | <23FC> <23FC> 2 % character code ranges are in hex (from Unicode) 47 | <23FD> <23FD> 3 % CID start values are in decimal (from the PostScript font file) 48 | <23FE> <23FE> 4 % If this were a script with a sensible collating order, 49 | <2B58> <2B58> 5 % then probably some of these could be collapsed into ranges. 50 | endcidrange 51 | 52 | endcmap 53 | CMapName currentdict /CMap defineresource pop 54 | end 55 | end 56 | 57 | %%EndResource 58 | %%EOF 59 | 60 | -------------------------------------------------------------------------------- /Unicode_IEC_symbol_font.otf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/Unicode_IEC_symbol_font.otf -------------------------------------------------------------------------------- /Unicode_IEC_symbol_font.ps: -------------------------------------------------------------------------------- 1 | %!PS-AdobeFont-1.0: UnicodeIECsymbol 2 | %%Title: UnicodeIECsymbol 3 | %Version: (null) 4 | %%CreationDate: Fri Feb 27 17:15:47 2015 5 | %%Creator: root 6 | % Generated by FontForge 20120731 (http://fontforge.sf.net/) 7 | %%EndComments 8 | 9 | 10 dict begin 10 | /FontType 1 def 11 | /FontMatrix [0.000976562 0 0 0.000976562 0 0 ]readonly def 12 | /FontName /UnicodeIECsymbol def 13 | /FontBBox {0 -3 1000 1024 }readonly def 14 | /PaintType 0 def 15 | /FontInfo 5 dict dup begin 16 | /FullName (UnicodeIECsymbol) readonly def 17 | /FamilyName (IEC symbols Unicode) readonly def 18 | /Weight (Regular) readonly def 19 | /ItalicAngle 0 def 20 | /isFixedPitch true def 21 | end readonly def 22 | /Encoding 256 array 23 | 0 1 255 { 1 index exch /.notdef put} for 24 | dup 1/POWER SYMBOL put 25 | dup 2/POWER ON-OFF SYMBOL put 26 | dup 3/HEAVY CIRCLE put 27 | dup 4/POWER ON SYMBOL put 28 | dup 5/POWER SLEEP SYMBOL put 29 | readonly def 30 | currentdict end 31 | currentfile eexec 32 | 743F8413F3636CA85A9FFEFB50B4BB273023E93DF9BCDBD9D94233FB53F690564BB08DDC 33 | EBB71CBEB281119D6A53B04B685076931FB3FAC7CCA65C9A76B4734884B4E063CB19F157 34 | E30150099D9188525ADAEBA3B96F33256F4D5015CEA845E051110AF02A49FCF9922BB024 35 | 6133D07C3F897C434C3239CDC2BC6D33DEE9F02A647F8339E816915FE82CB77DB7812FC1 36 | 3ED9625CF738CE569BD39FF57435C751BE1446E4E766B60D24096DFACC689AE89912967D 37 | 9B602C0366FEA8A786E39D067304A555DC4BE38FE1E3987391AC8AA49C87C895F72DD4BF 38 | 96DD7C1D1409D8A91B30FD08BBC562F3ADCF362100C618BCA821D6589C05E6238F5F9C41 39 | 03722C21B5B64B78D6CF1FA1C1105D4B6EEEA8EF750480F2828A733E030E1579BE5CB0F3 40 | 6D0E00297CE5D1DF01E0BC2CF0A214FAF98F716598C889F62F097C9912EE85DBF5D9538C 41 | F2DC600029130EEE151A62E8A5AB6015DD343977B687B74D16824F22AE9F904886211CB8 42 | 4AFA7C89E0F0E18CA1D5865308A6266434AD60DFEE6E1096BD15B862AD91D86DA99CCD98 43 | B6C41EC4A1EE1EE387A4A5624C994B79958BCCA072DCDACB6CF676E983A97D8DEBEA1512 44 | 2F719B89879B2439F0638A780C1659912BB709537B9870E95AA67BB5B70339FB8239DDF6 45 | 06A8DDF9EDBAB6FC759440C75A4BB0B9BD79F6F604F0D74943113A2F05812AFC14EC6E4B 46 | 568034790F141B83746DACE9FE6E045BAAAC4403A087F15BC7079B7A7D99CA3E2B6887AC 47 | 548B5D6FF4613546E363857E16F8B661A560A735C16F81F95BA0334438E5BE80BE4D869D 48 | 1B3105EF7D942E72B94B28B81DFED916A855B31B44244E8CF5EC219956663C74B39E77DA 49 | FFA35EDCD39A3BAB7351E70BFC66417E5C380CDB49F60B40D0CA65C23284C54FE154C457 50 | 535C6F8D4B70CC98D0A48CC3094EB663525F9A01D96BED33F49CCAB0BE6D7FDB24D5F390 51 | F6D921EB604FABA7F2D3CCCCA53555822B8369F6829987C0FB82F30C8A53FC6F360EBCA1 52 | E13E76F0FA3A2CCFA0D1405D036666AD307C3A0039777C0AC2B7E34DE10C72C38934B202 53 | DA8BCB5E02C7F68625B7C26D953910B07DE3B6C9254BAF2945942FD4B7FAFA71DD793E4C 54 | FED22C118E7077B0F6B4471344CCE320312B7ECED4CD07136B0E7F900B63A5134442F137 55 | 99568948ED72237B86B7440D984D40EDC2AA76E96F558C76FAF8022503A5F90678E85A79 56 | 7FA423076DDDBA095FFD0FE4279B0036E030FEC537E3CFAB78302EC941BEC4EA2DE97120 57 | 2742766E4C7508E144AD839000BC27DDC6FAF5C1E240451074AB20935338F9A7A3C0E541 58 | 3F468A6C3F4DCE04F0BB7CCAF288120376D70E0EC793788841A7F30A8CD8BE8B1BE1536F 59 | 6B6C27C2C1F5FEDD81E2087906875F621632A090F518F9911AC7C17919A59B580C9C1606 60 | 8E377280425A20868AEEA63B3583FA7910F2F7FA61C07B6FEF4E2CC67CA338007F02F4A8 61 | 64C49EF0E2FED80F4936AC40C90BAAAD9E41C5D119A501F7571F35BC946A08D70E465773 62 | B30EA790500D472B725B40EC1443D7315EC5A5DFC9056DB48C888CA562F814F26BB5044F 63 | 55D607501BBB9A15DF353BD663AB446430F5381E14AFB804E6D74C4FFF385C64D63D8F0B 64 | C48FFB00775B1332EEB21BA8522C049036ED089E125096ED24CB4B5A888EA9A7F36CD064 65 | 6A916C70145E954D8AFCE3F6B0233518520AD2A6C2E2FE4508946B6EC298D44362A93C09 66 | 8CDD35B1A11F104353176C99629A1065EA583901CC06F3514F6BCDE2CE0BE12FCFE679DE 67 | 3E44D4990E072E0873FF66C1B0877BCD5B9D300C0E4A4D8B3B7ED0549F55104E84CC8563 68 | BBBA2AAF9C66D3E7E0A8A7D431700D89CD70DDD2CEED481DD005D0825B8B27E7320F63DC 69 | 653CAF6CA530E62204CA9297CA506572577E46534D405584788ABD8CAEC98E0D9DA6EB1B 70 | 7E1656EE0BD6B6607706F180E146540968BCC49448905ADC847E3E903727DCFEBA58E4DA 71 | 348008E7599CC2D4A9B9B7BB6DE333A8DB27C4D3840AD5F14DFCC5183AA641EE598D3EAE 72 | 7254969E957E7968D6F1A121D9A62FBB039D741C149A925FEC402B6BCE3361D33C843FDE 73 | C86F5368BA9D8EB9BEB9AC1A6AEEE56B8B6427A2CD4147F687291AF18120CFB8FB48643C 74 | 84148EA343D54180E574BADF346D23BD15CC9B1757659DB441AD5B0293C8F088186DD977 75 | 7AC0C7A1227AA179D9993702B6E7E57009255A3C928101ED1D5B1836FFDB8CCD1B2BF4B1 76 | F9E8C52E7CD13137EAC87A59E873EDEAC2A7106F4EF0716F6487293D3468A152BF43AB96 77 | 52E8E4A52BD9 78 | 0000000000000000000000000000000000000000000000000000000000000000 79 | 0000000000000000000000000000000000000000000000000000000000000000 80 | 0000000000000000000000000000000000000000000000000000000000000000 81 | 0000000000000000000000000000000000000000000000000000000000000000 82 | 0000000000000000000000000000000000000000000000000000000000000000 83 | 0000000000000000000000000000000000000000000000000000000000000000 84 | 0000000000000000000000000000000000000000000000000000000000000000 85 | 0000000000000000000000000000000000000000000000000000000000000000 86 | cleartomark 87 | 88 | /reencodedict 10 dict def 89 | /ReEncode 90 | { reencodedict begin 91 | /newencoding exch def 92 | /newfontname exch def 93 | findfont /basefontdict exch def 94 | /newfont basefontdict maxlength dict def 95 | basefontdict 96 | { exch dup dup /FID ne exch /Encoding ne and 97 | { exch newfont 3 1 roll put } 98 | { pop pop } 99 | ifelse 100 | } forall 101 | newfont /FontName newfontname put 102 | newfont /Encoding newencoding put 103 | newfontname newfont definefont pop 104 | end 105 | } def 106 | 107 | /UnicodeIECsymbolBase /UnicodeIECsymbolNotDef [ 108 | /.notdef 109 | /.notdef 110 | /.notdef 111 | /.notdef 112 | /.notdef 113 | /.notdef 114 | /.notdef 115 | /.notdef 116 | /.notdef 117 | /.notdef 118 | /.notdef 119 | /.notdef 120 | /.notdef 121 | /.notdef 122 | /.notdef 123 | /.notdef 124 | /.notdef 125 | /.notdef 126 | /.notdef 127 | /.notdef 128 | /.notdef 129 | /.notdef 130 | /.notdef 131 | /.notdef 132 | /.notdef 133 | /.notdef 134 | /.notdef 135 | /.notdef 136 | /.notdef 137 | /.notdef 138 | /.notdef 139 | /.notdef 140 | /.notdef 141 | /.notdef 142 | /.notdef 143 | /.notdef 144 | /.notdef 145 | /.notdef 146 | /.notdef 147 | /.notdef 148 | /.notdef 149 | /.notdef 150 | /.notdef 151 | /.notdef 152 | /.notdef 153 | /.notdef 154 | /.notdef 155 | /.notdef 156 | /.notdef 157 | /.notdef 158 | /.notdef 159 | /.notdef 160 | /.notdef 161 | /.notdef 162 | /.notdef 163 | /.notdef 164 | /.notdef 165 | /.notdef 166 | /.notdef 167 | /.notdef 168 | /.notdef 169 | /.notdef 170 | /.notdef 171 | /.notdef 172 | /.notdef 173 | /.notdef 174 | /.notdef 175 | /.notdef 176 | /.notdef 177 | /.notdef 178 | /.notdef 179 | /.notdef 180 | /.notdef 181 | /.notdef 182 | /.notdef 183 | /.notdef 184 | /.notdef 185 | /.notdef 186 | /.notdef 187 | /.notdef 188 | /.notdef 189 | /.notdef 190 | /.notdef 191 | /.notdef 192 | /.notdef 193 | /.notdef 194 | /.notdef 195 | /.notdef 196 | /.notdef 197 | /.notdef 198 | /.notdef 199 | /.notdef 200 | /.notdef 201 | /.notdef 202 | /.notdef 203 | /.notdef 204 | /.notdef 205 | /.notdef 206 | /.notdef 207 | /.notdef 208 | /.notdef 209 | /.notdef 210 | /.notdef 211 | /.notdef 212 | /.notdef 213 | /.notdef 214 | /.notdef 215 | /.notdef 216 | /.notdef 217 | /.notdef 218 | /.notdef 219 | /.notdef 220 | /.notdef 221 | /.notdef 222 | /.notdef 223 | /.notdef 224 | /.notdef 225 | /.notdef 226 | /.notdef 227 | /.notdef 228 | /.notdef 229 | /.notdef 230 | /.notdef 231 | /.notdef 232 | /.notdef 233 | /.notdef 234 | /.notdef 235 | /.notdef 236 | /.notdef 237 | /.notdef 238 | /.notdef 239 | /.notdef 240 | /.notdef 241 | /.notdef 242 | /.notdef 243 | /.notdef 244 | /.notdef 245 | /.notdef 246 | /.notdef 247 | /.notdef 248 | /.notdef 249 | /.notdef 250 | /.notdef 251 | /.notdef 252 | /.notdef 253 | /.notdef 254 | /.notdef 255 | /.notdef 256 | /.notdef 257 | /.notdef 258 | /.notdef 259 | /.notdef 260 | /.notdef 261 | /.notdef 262 | /.notdef 263 | /.notdef 264 | /.notdef 265 | /.notdef 266 | /.notdef 267 | /.notdef 268 | /.notdef 269 | /.notdef 270 | /.notdef 271 | /.notdef 272 | /.notdef 273 | /.notdef 274 | /.notdef 275 | /.notdef 276 | /.notdef 277 | /.notdef 278 | /.notdef 279 | /.notdef 280 | /.notdef 281 | /.notdef 282 | /.notdef 283 | /.notdef 284 | /.notdef 285 | /.notdef 286 | /.notdef 287 | /.notdef 288 | /.notdef 289 | /.notdef 290 | /.notdef 291 | /.notdef 292 | /.notdef 293 | /.notdef 294 | /.notdef 295 | /.notdef 296 | /.notdef 297 | /.notdef 298 | /.notdef 299 | /.notdef 300 | /.notdef 301 | /.notdef 302 | /.notdef 303 | /.notdef 304 | /.notdef 305 | /.notdef 306 | /.notdef 307 | /.notdef 308 | /.notdef 309 | /.notdef 310 | /.notdef 311 | /.notdef 312 | /.notdef 313 | /.notdef 314 | /.notdef 315 | /.notdef 316 | /.notdef 317 | /.notdef 318 | /.notdef 319 | /.notdef 320 | /.notdef 321 | /.notdef 322 | /.notdef 323 | /.notdef 324 | /.notdef 325 | /.notdef 326 | /.notdef 327 | /.notdef 328 | /.notdef 329 | /.notdef 330 | /.notdef 331 | /.notdef 332 | /.notdef 333 | /.notdef 334 | /.notdef 335 | /.notdef 336 | /.notdef 337 | /.notdef 338 | /.notdef 339 | /.notdef 340 | /.notdef 341 | /.notdef 342 | /.notdef 343 | /.notdef 344 | /.notdef 345 | /.notdef 346 | /.notdef 347 | /.notdef 348 | /.notdef 349 | /.notdef 350 | /.notdef 351 | /.notdef 352 | /.notdef 353 | /.notdef 354 | /.notdef 355 | /.notdef 356 | /.notdef 357 | /.notdef 358 | /.notdef 359 | /.notdef 360 | /.notdef 361 | /.notdef 362 | /.notdef 363 | /.notdef 364 | ] ReEncode 365 | 366 | /UnicodeIECsymbol 21 dict dup begin 367 | /FontInfo /UnicodeIECsymbolBase findfont /FontInfo get def 368 | /PaintType 0 def 369 | /FontType 0 def 370 | /LanguageLevel 2 def 371 | /FontMatrix [1 0 0 1 0 0] readonly def 372 | /FMapType 2 def 373 | /Encoding [ 374 | 0 375 | 1 376 | 2 377 | 3 378 | 4 379 | 5 380 | 6 381 | 7 382 | 8 383 | 9 384 | 10 385 | 11 386 | 12 387 | 13 388 | 14 389 | 15 390 | 16 391 | 17 392 | 18 393 | 19 394 | 20 395 | 21 396 | 22 397 | 23 398 | 24 399 | 25 400 | 26 401 | 27 402 | 28 403 | 29 404 | 30 405 | 31 406 | 32 407 | 33 408 | 34 409 | 35 410 | 36 411 | 37 412 | 38 413 | 39 414 | 40 415 | 41 416 | 42 417 | 43 418 | 44 419 | 45 420 | 46 421 | 47 422 | 48 423 | 49 424 | 50 425 | 51 426 | 52 427 | 53 428 | 54 429 | 55 430 | 56 431 | 57 432 | 58 433 | 59 434 | 60 435 | 61 436 | 62 437 | 63 438 | 64 439 | 65 440 | 66 441 | 67 442 | 68 443 | 69 444 | 70 445 | 71 446 | 72 447 | 73 448 | 74 449 | 75 450 | 76 451 | 77 452 | 78 453 | 79 454 | 80 455 | 81 456 | 82 457 | 83 458 | 84 459 | 85 460 | 86 461 | 87 462 | 88 463 | 89 464 | 90 465 | 91 466 | 92 467 | 93 468 | 94 469 | 95 470 | 96 471 | 97 472 | 98 473 | 99 474 | 100 475 | 101 476 | 102 477 | 103 478 | 104 479 | 105 480 | 106 481 | 107 482 | 108 483 | 109 484 | 110 485 | 111 486 | 112 487 | 113 488 | 114 489 | 115 490 | 116 491 | 117 492 | 118 493 | 119 494 | 120 495 | 121 496 | 122 497 | 123 498 | 124 499 | 125 500 | 126 501 | 127 502 | 128 503 | 129 504 | 130 505 | 131 506 | 132 507 | 133 508 | 134 509 | 135 510 | 136 511 | 137 512 | 138 513 | 139 514 | 140 515 | 141 516 | 142 517 | 143 518 | 144 519 | 145 520 | 146 521 | 147 522 | 148 523 | 149 524 | 150 525 | 151 526 | 152 527 | 153 528 | 154 529 | 155 530 | 156 531 | 157 532 | 158 533 | 159 534 | 160 535 | 161 536 | 162 537 | 163 538 | 164 539 | 165 540 | 166 541 | 167 542 | 168 543 | 169 544 | 170 545 | 171 546 | 172 547 | 173 548 | 174 549 | 175 550 | 176 551 | 177 552 | 178 553 | 179 554 | 180 555 | 181 556 | 182 557 | 183 558 | 184 559 | 185 560 | 186 561 | 187 562 | 188 563 | 189 564 | 190 565 | 191 566 | 192 567 | 193 568 | 194 569 | 195 570 | 196 571 | 197 572 | 198 573 | 199 574 | 200 575 | 201 576 | 202 577 | 203 578 | 204 579 | 205 580 | 206 581 | 207 582 | 208 583 | 209 584 | 210 585 | 211 586 | 212 587 | 213 588 | 214 589 | 215 590 | 216 591 | 217 592 | 218 593 | 219 594 | 220 595 | 221 596 | 222 597 | 223 598 | 224 599 | 225 600 | 226 601 | 227 602 | 228 603 | 229 604 | 230 605 | 231 606 | 232 607 | 233 608 | 234 609 | 235 610 | 236 611 | 237 612 | 238 613 | 239 614 | 240 615 | 241 616 | 242 617 | 243 618 | 244 619 | 245 620 | 246 621 | 247 622 | 248 623 | 249 624 | 250 625 | 251 626 | 252 627 | 253 628 | 254 629 | 255 630 | ] readonly def 631 | /FDepVector [ 632 | /UnicodeIECsymbolBase findfont 633 | /UnicodeIECsymbolNotDef findfont 634 | /UnicodeIECsymbolNotDef findfont 635 | /UnicodeIECsymbolNotDef findfont 636 | /UnicodeIECsymbolNotDef findfont 637 | /UnicodeIECsymbolNotDef findfont 638 | /UnicodeIECsymbolNotDef findfont 639 | /UnicodeIECsymbolNotDef findfont 640 | /UnicodeIECsymbolNotDef findfont 641 | /UnicodeIECsymbolNotDef findfont 642 | /UnicodeIECsymbolNotDef findfont 643 | /UnicodeIECsymbolNotDef findfont 644 | /UnicodeIECsymbolNotDef findfont 645 | /UnicodeIECsymbolNotDef findfont 646 | /UnicodeIECsymbolNotDef findfont 647 | /UnicodeIECsymbolNotDef findfont 648 | /UnicodeIECsymbolNotDef findfont 649 | /UnicodeIECsymbolNotDef findfont 650 | /UnicodeIECsymbolNotDef findfont 651 | /UnicodeIECsymbolNotDef findfont 652 | /UnicodeIECsymbolNotDef findfont 653 | /UnicodeIECsymbolNotDef findfont 654 | /UnicodeIECsymbolNotDef findfont 655 | /UnicodeIECsymbolNotDef findfont 656 | /UnicodeIECsymbolNotDef findfont 657 | /UnicodeIECsymbolNotDef findfont 658 | /UnicodeIECsymbolNotDef findfont 659 | /UnicodeIECsymbolNotDef findfont 660 | /UnicodeIECsymbolNotDef findfont 661 | /UnicodeIECsymbolNotDef findfont 662 | /UnicodeIECsymbolNotDef findfont 663 | /UnicodeIECsymbolNotDef findfont 664 | /UnicodeIECsymbolNotDef findfont 665 | /UnicodeIECsymbolNotDef findfont 666 | /UnicodeIECsymbolNotDef findfont 667 | /UnicodeIECsymbolNotDef findfont 668 | /UnicodeIECsymbolNotDef findfont 669 | /UnicodeIECsymbolNotDef findfont 670 | /UnicodeIECsymbolNotDef findfont 671 | /UnicodeIECsymbolNotDef findfont 672 | /UnicodeIECsymbolNotDef findfont 673 | /UnicodeIECsymbolNotDef findfont 674 | /UnicodeIECsymbolNotDef findfont 675 | /UnicodeIECsymbolNotDef findfont 676 | /UnicodeIECsymbolNotDef findfont 677 | /UnicodeIECsymbolNotDef findfont 678 | /UnicodeIECsymbolNotDef findfont 679 | /UnicodeIECsymbolNotDef findfont 680 | /UnicodeIECsymbolNotDef findfont 681 | /UnicodeIECsymbolNotDef findfont 682 | /UnicodeIECsymbolNotDef findfont 683 | /UnicodeIECsymbolNotDef findfont 684 | /UnicodeIECsymbolNotDef findfont 685 | /UnicodeIECsymbolNotDef findfont 686 | /UnicodeIECsymbolNotDef findfont 687 | /UnicodeIECsymbolNotDef findfont 688 | /UnicodeIECsymbolNotDef findfont 689 | /UnicodeIECsymbolNotDef findfont 690 | /UnicodeIECsymbolNotDef findfont 691 | /UnicodeIECsymbolNotDef findfont 692 | /UnicodeIECsymbolNotDef findfont 693 | /UnicodeIECsymbolNotDef findfont 694 | /UnicodeIECsymbolNotDef findfont 695 | /UnicodeIECsymbolNotDef findfont 696 | /UnicodeIECsymbolNotDef findfont 697 | /UnicodeIECsymbolNotDef findfont 698 | /UnicodeIECsymbolNotDef findfont 699 | /UnicodeIECsymbolNotDef findfont 700 | /UnicodeIECsymbolNotDef findfont 701 | /UnicodeIECsymbolNotDef findfont 702 | /UnicodeIECsymbolNotDef findfont 703 | /UnicodeIECsymbolNotDef findfont 704 | /UnicodeIECsymbolNotDef findfont 705 | /UnicodeIECsymbolNotDef findfont 706 | 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-------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | fontcustom glyphs preview 5 | 6 | 178 | 179 | 180 | 181 | 187 | 188 | 189 | 190 |
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267 | 268 | 269 | -------------------------------------------------------------------------------- /old_fonts/iec-power.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | 7 | 8 | Created by FontForge 20120731 at Wed Dec 4 09:04:34 2013 9 | By Terence Eden,,, 10 | Created by Terence Eden,,, with FontForge 2.0 (http://fontforge.sf.net) 11 | 12 | 13 | 14 | 27 | 28 | 31 | 33 | 36 | 39 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /old_fonts/iec-power.ttf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/old_fonts/iec-power.ttf -------------------------------------------------------------------------------- /old_fonts/iec-power.woff: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/old_fonts/iec-power.woff -------------------------------------------------------------------------------- /power_symbol_proposal.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/power_symbol_proposal.pdf -------------------------------------------------------------------------------- /proposal.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/proposal.pdf -------------------------------------------------------------------------------- /proposal.tex: -------------------------------------------------------------------------------- 1 | % 2 | % Proposal to The Unicode Consortium to include IEC-5007, -8, -9, 3 | % -10, and IEEE 1621-2004 "sleep" symbols in Unicode. 4 | % 5 | % For information on this file please contact Joe Loughry at 6 | % Tel. +1 303 221 4380 (time zone GMT minus 7 hours) or Email: 7 | % joe.loughry@stx.ox.ac.uk 8 | % 9 | 10 | \documentclass[10pt,a4paper]{article} 11 | 12 | \usepackage[english,british]{babel} 13 | 14 | % to let me use the new TrueType font we created: 15 | \usepackage{fontspec} 16 | 17 | % for commenting out blocks of code: 18 | \usepackage{comment} 19 | 20 | % for footnotes in tables: 21 | \usepackage{threeparttable} 22 | 23 | % for formatting URLs (the `obeyspaces' option is for URLs with spaces (%20) in them): 24 | \usepackage[obeyspaces]{url} 25 | 26 | % added 20130901.2347 for putting angled brackets around URLs: 27 | \newcommand{\URL}[1]{$\langle$\url{#1}$\rangle$} 28 | 29 | % make references and footnotes into clickable links in the PDF: 30 | \usepackage{hyperref} 31 | 32 | % for XeLaTeX logo 33 | \usepackage{hologo} 34 | 35 | % for multiple authors with different affiliations 36 | \usepackage{authblk} 37 | 38 | % for including pages from a separate PDF in the output (\includepdf command). 39 | \usepackage{pdfpages} 40 | 41 | % Use \UnicodeIEC{x} to display a symbol in the new font. 42 | \newcommand{\UnicodeIEC}[1]{{\fontspec{UnicodeIECsymbol}#1}} 43 | 44 | % Define a few shortcuts to make the new symbols easier to type. 45 | \newcommand{\IECpower}{\UnicodeIEC{\symbol{"23FB}}} 46 | \newcommand{\IEConoff}{\UnicodeIEC{\symbol{"23FC}}} 47 | \newcommand{\IECon}{\UnicodeIEC{\symbol{"23FD}}} 48 | \newcommand{\IECoff}{\UnicodeIEC{\symbol{"2B58}}} 49 | \newcommand{\IECsleep}{\UnicodeIEC{\symbol{"1F32D}}} 50 | 51 | % Tell Adobe Acrobat Reader not to display the bookmarks pane. 52 | \hypersetup{pdfpagemode=UseNone} 53 | 54 | % Tell it to start in my preferred size. 55 | \hypersetup{pdfstartview=FitH} 56 | 57 | % Fill in some other information in the PDF header. 58 | \hypersetup{pdftitle=Proposal to Include IEC Power Symbols} 59 | \hypersetup{pdfauthor=Terence Eden and Joe Loughry and Bruce Nordman} 60 | \hypersetup{pdfsubject=Unicode Character Proposal} 61 | \hypersetup{pdfkeywords={IEC power symbols Unicode font}} 62 | 63 | \begin{document} 64 | 65 | \title{Proposal to Include IEC Power Symbols} 66 | 67 | \author{Terence Eden% 68 | \thanks{Electronic address: \texttt{terence.eden@shkspr.mobi}} \and 69 | Joe Loughry% 70 | \thanks{Corresponding author's address (University of Oxford): 71 | \texttt{joe.loughry@stx.ox.ac.uk}} 72 | \and 73 | Bruce Nordman% 74 | \thanks{Lawrence Berkeley National Laboratory: \texttt{BNordman@LBL.gov}}} 75 | 76 | \maketitle 77 | 78 | % put a header on the page; the \pagestyle command must come after \maketitle 79 | \pagestyle{myheadings} 80 | \markright{\hfill Loughry\ } 81 | 82 | \begin{abstract} 83 | The international symbol IEC 60417-5009 \IECpower\ meaning `power' 84 | is not in Unicode. Clearly it would be useful to anyone writing technical or 85 | user manuals. Furthermore, for electronically published documentation, it is 86 | crucial for this and a few other symbols to be defined because it makes them 87 | searchable in plain text. In this proposal we provide TrueType and OpenType fonts 88 | named `UnicodeIECsymbol' containing the glyphs as specified in three international 89 | standards together with the needed character properties for Unicode specification 90 | as well as evidence that these characters have been used in running text 91 | for thirty years. 92 | \end{abstract} 93 | 94 | \section{Introduction} 95 | 96 | The \IECpower, \IEConoff, \IECoff, and \IECon\ symbols are defined in IEC 60417 97 | \cite{IEC60417}, which is also ISO 7000:2012 \cite{ISO7000}. IEEE 1621-2004 98 | defines \IECsleep\ and refines the definition of \IECpower, notably by saying: 99 | 100 | \begin{quote} 101 | IEC 60417 defines \IECpower\ for use with a power switch that does not do a total 102 | mains disconnect, and hence the device consumes standby power. \IECpower\ is 103 | generally used and understood to mean ``power,'' as on power buttons, 104 | indicators, and elsewhere. \IECpower, therefore, means ``power'' with a nonzero 105 | power level in the \emph{off} state. Electronic devices shall use \IECpower\ to 106 | be a synonym for ``power'' on power controls. 107 | \end{quote} 108 | 109 | \noindent \cite[\S 4.3, emphasis in original]{IEEE1621}. IEEE 1621-2004 110 | standardises current practice for devices with regard to the \IECpower\ symbol 111 | and introduces \IECsleep\ for sleep \cite{Nordman2003,Nordman2002a}. 112 | 113 | These characters, particularly \IECpower, are needed for 114 | technical writing and are not in Unicode. Adding these standardised symbols to 115 | Unicode will allow for their semantic identification and use. For the first 116 | time they would be searchable in plain text, something not possible with 117 | embedded graphics, which is the way the symbols have been displayed to date. 118 | 119 | \section{Suitability for Inclusion} 120 | 121 | These symbols are characters according to the definition in the Glossary, 122 | and do not appear in the Archive of Notices of Non-Approval. As of this writing, 123 | they are not included in the Unicode Pipeline Table or BETA. These symbols are 124 | widely used on electronic equipment and thus their technical documentation 125 | (Figures \ref{figure:example-of-use-Agilent}--\ref{figure:example-of-use-Ugolini}). 126 | Semantically identifying the symbols allows for textual search and programmatic 127 | decision making, as well as reducing the use of binary images and single purpose 128 | symbol fonts in technical writing. It would benefit technical writers and readers 129 | if they were available in Unicode because it would make user manuals and other 130 | technical documentation searchable in plain text. 131 | 132 | We provide along with our proposal TrueType and OpenType fonts, with no 133 | restrictions on their use. 134 | 135 | \section{Evidence of Use in Running Text} 136 | 137 | Figures \ref{figure:example-of-use-Agilent}--\ref{figure:example-of-use-Ugolini} 138 | show evidence of the use of each of these symbols in running text during the past 139 | thirty years. 140 | 141 | \begin{figure}[h!] 142 | \includegraphics[width=\textwidth]{graphics/Agilent2011.png} 143 | \caption{Example of \IECpower\ usage in running text from 2011, 144 | in the installation guide for a network analyser. 145 | From \cite[Chapter 2, p.~24]{Agilent2011}.} 146 | \label{figure:example-of-use-Agilent} % label must come after caption 147 | \end{figure} 148 | 149 | \begin{figure}[h!] 150 | \includegraphics[width=\textwidth]{graphics/Apple2007.png} 151 | \caption{Example of \IECpower\ usage in running text from 2007, 152 | in the user's guide for a computer. From \cite[Chapter 1, p.~12]{Apple2007}.} 153 | \label{figure:example-of-use-Apple} % label must come after caption 154 | \end{figure} 155 | 156 | \begin{figure}[h!] 157 | \includegraphics[width=\textwidth]{graphics/HP2009.png} 158 | \caption{Example of \IECpower\ usage in running text from 2009, 159 | in the setup guide for a printer. From \cite[p.~2]{HP2009}.} 160 | \label{figure:example-of-use-HP} % label must come after caption 161 | \end{figure} 162 | 163 | \begin{figure}[ht] 164 | \includegraphics[width=\textwidth]{graphics/IEEE1621.png} 165 | \caption{Example of \IECon, \IECsleep, and \IECoff\ usage in running 166 | text from 2004, in a standards document. From \cite[\S 4.5.2, p.~7]{IEEE1621}.} 167 | \label{figure:example-of-use-IEEE} % label must come after caption 168 | \end{figure} 169 | 170 | \begin{figure}[ht] 171 | \centering 172 | \includegraphics[width=0.5\textwidth]{graphics/IBM1984.png} 173 | \caption{Example of \IECon\ and \IECoff\ usage in running text from 174 | 1984, in the user manual for a computer. From \cite[p.~1-11]{IBM1984}.} 175 | \label{figure:example-of-use-IBM} % label must come after caption 176 | \end{figure} 177 | 178 | \begin{figure}[ht] 179 | \includegraphics[width=\textwidth]{graphics/Motorola2010.png} 180 | \caption{Example of \IECpower\ usage in running text from 2010, 181 | in the installation guide for a cable modem. From \cite[p.~7]{Motorola2010}.} 182 | \label{figure:example-of-use-Motorola} % label must come after caption 183 | \end{figure} 184 | 185 | \begin{figure}[ht] 186 | \includegraphics[width=\textwidth]{graphics/Nordman2002-0T.png} 187 | \caption{Example of \IECoff\ and \IEConoff\ used in running text, in a 188 | monograph from 2002. From \cite[p.~4]{Nordman2002} (used by permission).} 189 | \label{figure:example-of-use-Nordman-0T} % label must come after caption 190 | \end{figure} 191 | 192 | \begin{figure}[ht] 193 | \centering 194 | \includegraphics[width=0.8\textwidth]{graphics/Nordman2002-01TP.png} 195 | \caption{Example of \IECon, \IECoff, \IEConoff, and \IECpower\ usage in 196 | running text, in a monograph from 2002. From \cite[p.~2]{Nordman2002} 197 | (used by permission).} 198 | \label{figure:example-of-use-Nordman-01TP} % label must come after caption 199 | \end{figure} 200 | 201 | \begin{figure}[ht] 202 | \includegraphics[width=\textwidth]{graphics/Nordman2002-S.png} 203 | \caption{Example of \IECsleep\ used in running text, in a 204 | monograph from 2002. From \cite[p.~2]{Nordman2002} (used by permission).} 205 | \label{figure:example-of-use-Nordman-S} % label must come after caption 206 | \end{figure} 207 | 208 | \begin{figure}[ht] 209 | \centering 210 | \includegraphics[width=0.8\textwidth]{graphics/Ugolini2013.png} 211 | \caption{Example of \IECoff\ and \IECon\ used in running text from 2013, 212 | in the operator's manual for a coffee maker. From \cite[p.~18]{Ugolini2013}.} 213 | \label{figure:example-of-use-Ugolini} % label must come after caption 214 | \end{figure} 215 | 216 | \section{Character Properties} 217 | 218 | Suggested character properties for the proposed symbols are given in Tables 219 | \ref{table:character-properties-P}--\ref{table:character-properties-T} and 220 | here in Unicode Character Database (UCD) format. The names are generally 221 | similar to the names in IEEE 1621-2004. None of the proposed names appear 222 | already in the Character Name Index. 223 | 224 | \begin{quote} 225 | \begin{verbatim} 226 | 23FB;POWER SYMBOL;So;0;ON;;;;;N;;;;; 227 | 23FC;POWER ON-OFF SYMBOL;So;0;ON;;;;;N;;;;; 228 | 23FD;POWER ON SYMBOL;So;0;ON;;;;;N;;;;; 229 | 1F32D;BLACK WANING CRESCENT MOON;So;0;ON;;;;;N;;;;; 230 | \end{verbatim} 231 | \end{quote} 232 | 233 | \begin{table}[htbp] 234 | \centering 235 | \begin{tabular}{ll} 236 | \textbf{Property} & \textbf{Suggested Value} \\ 237 | \hline \\ 238 | Code point & 23FB \\ 239 | Name & POWER SYMBOL \\ 240 | General Category & So \\ 241 | Canonical Combining Class & 0 \\ 242 | Bidirectional Class & ON \\ 243 | Decomposition Type/Decomposition Mapping \\ 244 | Numeric Type \\ 245 | Numeric Value \\ 246 | Bidi Mirrored & N \\ 247 | Unicode 1 Name \\ 248 | ISO Comment \\ 249 | Simple Uppercase Mapping \\ 250 | Simple Lowercase Mapping \\ 251 | Simple Titlecase Mapping \\ 252 | \end{tabular} 253 | \caption{Suggested character properties for \IECpower. This 254 | symbol is cross referenced to \IECoff.} 255 | \label{table:character-properties-P} % label must come after caption! 256 | \end{table} 257 | 258 | \begin{table}[htbp] 259 | \centering 260 | \begin{tabular}{ll} 261 | \textbf{Property} & \textbf{Suggested Value} \\ 262 | \hline \\ 263 | Code point & 2B58 \\ 264 | Name & HEAVY CIRCLE \\ 265 | General Category & So \\ 266 | Canonical Combining Class & 0 \\ 267 | Bidirectional Class & ON \\ 268 | Decomposition Type/Decomposition Mapping \\ 269 | Numeric Type \\ 270 | Numeric Value \\ 271 | Bidi Mirrored & N \\ 272 | Unicode 1 Name \\ 273 | ISO Comment \\ 274 | Simple Uppercase Mapping \\ 275 | Simple Lowercase Mapping \\ 276 | Simple Titlecase Mapping \\ 277 | \end{tabular} 278 | \caption{Suggested character properties for \IECoff. This symbol was 279 | unified in UTC \#138 with the alias POWER OFF SYMBOL and cross 280 | referenced to \IECpower.} 281 | \label{table:character-properties-0} % label must come after caption! 282 | \end{table} 283 | 284 | \begin{table}[htbp] 285 | \centering 286 | \begin{tabular}{ll} 287 | \textbf{Property} & \textbf{Suggested Value} \\ 288 | \hline \\ 289 | Code point & 1F32D \\ 290 | Name & BLACK WANING \\ 291 | & CRESCENT MOON \\ 292 | General Category & So \\ 293 | Canonical Combining Class & 0 \\ 294 | Bidirectional Class & ON \\ 295 | Decomposition Type/Decomposition Mapping \\ 296 | Numeric Type \\ 297 | Numeric Value \\ 298 | Bidi Mirrored & N \\ 299 | Unicode 1 Name \\ 300 | ISO Comment \\ 301 | Simple Uppercase Mapping \\ 302 | Simple Lowercase Mapping \\ 303 | Simple Titlecase Mapping \\ 304 | \end{tabular} 305 | \caption{Suggested character properties for \IECsleep. This symbol is 306 | cross referenced to \IECpower\ and has the alias POWER SLEEP SYMBOL.} 307 | \label{table:character-properties-S} % label must come after caption! 308 | \end{table} 309 | 310 | \begin{table}[htbp] 311 | \centering 312 | \begin{tabular}{ll} 313 | \textbf{Property} & \textbf{Suggested Value} \\ 314 | \hline \\ 315 | Code point & 23FD \\ 316 | Name & POWER ON SYMBOL \\ 317 | General Category & So \\ 318 | Canonical Combining Class & 0 \\ 319 | Bidirectional Class & ON \\ 320 | Decomposition Type/Decomposition Mapping \\ 321 | Numeric Type \\ 322 | Numeric Value \\ 323 | Bidi Mirrored & N \\ 324 | Unicode 1 Name \\ 325 | ISO Comment \\ 326 | Simple Uppercase Mapping \\ 327 | Simple Lowercase Mapping \\ 328 | Simple Titlecase Mapping \\ 329 | \end{tabular} 330 | \caption{Suggested character properties for \IECon.} 331 | \label{table:character-properties-1} % label must come after caption! 332 | \end{table} 333 | 334 | \begin{table}[htbp] 335 | \centering 336 | \begin{tabular}{ll} 337 | \textbf{Property} & \textbf{Suggested Value} \\ 338 | \hline \\ 339 | Code point & 23FC \\ 340 | Name & POWER ON-OFF \\ 341 | & SYMBOL \\ 342 | General Category & So \\ 343 | Canonical Combining Class & 0 \\ 344 | Bidirectional Class & ON \\ 345 | Decomposition Type/Decomposition Mapping \\ 346 | Numeric Type \\ 347 | Numeric Value \\ 348 | Bidi Mirrored & N \\ 349 | Unicode 1 Name \\ 350 | ISO Comment \\ 351 | Simple Uppercase Mapping \\ 352 | Simple Lowercase Mapping \\ 353 | Simple Titlecase Mapping \\ 354 | \end{tabular} 355 | \caption{Suggested character properties for \IEConoff.} 356 | \label{table:character-properties-T} % label must come after caption! 357 | \end{table} 358 | 359 | \begin{samepage} 360 | 361 | \subsection{Collation Order}\label{section:collation-order} 362 | 363 | There is no required collation order, although there is an implied state transition 364 | ordering: 365 | 366 | \begin{quote} 367 | Power states shall be understood to have physical relationships to each other. 368 | Specifically, \emph{on} is taken to be above \emph{sleep}, and \emph{sleep} 369 | above \emph{off}. 370 | \end{quote} 371 | 372 | \noindent \cite[\S 4.4, emphasis in original]{IEEE1621}. We suggest \IECpower, 373 | \IECoff, \IECsleep, \IECon, \IEConoff. They exhibit no shaping behaviour and 374 | have no particular required sorting order (except see the quoted paragraph 375 | above). The characters are uncased. There is no special line-breaking 376 | behaviour required. These characters are not meant for use in identifiers, 377 | although they have been used for such.\footnote{This web site has a collection 378 | of more than thirty examples of IEC 60417-5009 used in logo design: 379 | \URL{http://www.logodesignlove.com/logos-using-the-standby-symbol}.} They are 380 | stand-alone symbols. They are not white-space characters and have no numeric 381 | values. They are neither combining characters nor punctuation. 382 | 383 | \end{samepage} 384 | 385 | \section{The \emph{UnicodeIECsymbol} Font} 386 | 387 | The five symbols included in the \emph{UnicodeIECsymbol} TrueType or OpenType font 388 | are shown in Table~\ref{table:symbols}. Only these symbols exist in the font; if 389 | an undefined character, for example `A' is called for in the font, the result is 390 | implementation-defined.\footnote{In \hologo{XeTeX}, for example, the result of 391 | `A' in \emph{UnicodeIECsymbol} is \UnicodeIEC{A}. In OpenOffice Writer, the 392 | result is the letter `A' but in a san-serif typeface.} 393 | 394 | \begin{table}[htbp] 395 | \centering 396 | \begin{threeparttable} 397 | \begin{tabular}{clll} 398 | \textbf{Character} & \textbf{Applicable} & \textbf{How to} & \textbf{Unicode Name} \\ 399 | & \textbf{Standard(s)} & \textbf{Type It} \\ 400 | \hline \\ 401 | \IECpower & IEC 60417-5009 & \verb,⏻, & POWER SYMBOL \\ 402 | \IEConoff & IEC 60417-5010 & \verb,⏼, & POWER ON-OFF SYMBOL \\ 403 | \IECon & IEC 60417-5007 & \verb,⏽, & POWER ON SYMBOL \\ 404 | \IECoff & IEC 60417-5008 & \verb,⭘, & HEAVY CIRCLE\tnote{*} \\ 405 | \IECsleep & IEEE 1621-2004 & \verb,🌭, & BLACK WANING \\ 406 | & & & CRESCENT MOON\tnote{$\dagger$} \\ 407 | \end{tabular} 408 | \begin{tablenotes} 409 | \item[*] {\footnotesize This character is aliased to POWER OFF SYMBOL.} 410 | \item[$\dagger$] {\footnotesize This character is aliased to POWER SLEEP SYMBOL.} 411 | \end{tablenotes} 412 | \end{threeparttable} 413 | \caption{All of the available glyphs in the \emph{UnicodeIECsymbol} font.} 414 | \label{table:symbols} % label must come after caption! 415 | \end{table} 416 | 417 | \begin{comment} 418 | Placement of symbols in the \emph{UnicodeIECsymbol} TrueType font was chosen 419 | thoughtfully so as to be mnemonic: `P' for power, `S' for sleep, 420 | `T' for toggling power on or off, and `1' and `0' for power-on and power-off, 421 | respectively; these mnemonics `fail gracefully' in text should the 422 | \emph{UnicodeIECsymbol} font happen to be unavailable. 423 | \end{comment} 424 | 425 | In text with normal spacing, the \IECpower\ characters \IECoff\ look \IECsleep\ like 426 | \IECon\ this \IEConoff.\footnote{The spacing around \IECon\ in the font appears wider 427 | because the glyphs are fixed-width.} 428 | 429 | \section{Anticipated Objections} 430 | 431 | It might be argued that the meaning of \IECpower\ is disputed between IEC 60417 and 432 | IEEE 1621-2004, {\it i.e.}, that IEC 60417 (as well as ISO 7000:2012) defined 433 | \IECpower\ to mean `stand-by' and IEEE 1621-2004 changed it to mean `power'. We 434 | counter that the issue is irrelevant to the Unicode Consortium for two reasons: 435 | firstly, because the symbol itself is needed by writers, regardless of the fact 436 | that `stand-by' has no consistent definition;\footnote{The term is routinely used 437 | to mean \emph{off}, \emph{sleep}, \emph{on}, and other meanings that do not map 438 | to a consistent power state at all.} and secondly, because IEEE 1621-2004 specifically 439 | codifies existing practice; the number of devices using \IECpower\ to mean `power' 440 | dwarfs the number of devices that use it to mean `stand-by'. 441 | Furthermore, 442 | 443 | \begin{quote} 444 | No safety issue is introduced by the use of the symbol on a switch that causes 445 | the device to go to a \emph{hard-off} state. 446 | \end{quote} 447 | 448 | \noindent \cite[\S 4.3, emphasis in original]{IEEE1621}. 449 | 450 | There are, of course, many characters in Unicode already resembling circles 451 | (\IECoff), or lines (\IECon), or the crescent moon (\IECsleep). None of the existing 452 | characters, however, has anything semantically to do with the concepts of `power', 453 | `switch', `toggle', or `interrupter'. There are several occurrences of the crescent 454 | moon, but none showing the \IECsleep\ phase; IEEE 1621-2004 intended 455 | the symbol to be different from other Unicode instances of a crescent moon. There 456 | are eleven occurrences of the word `power' in Version 6.3.0 of the Unicode standard 457 | (Table \ref{table:power}) but none has anything to do with device control 458 | \cite{Unicode2013}. We caution against unifying \IECon\ with the ASCII vertical bar 459 | `\verb,|,' because of the high probability that both symbols will appear technical 460 | documents, inviting confusion. Likewise, we strongly recommend not unifying 461 | \IECoff\ with either capital `O' or the numeral zero because of the probability of 462 | confusion in technical documents. 463 | 464 | \section{Drawing the Symbols} 465 | 466 | The proposed characters are not part of any script and the precise form of 467 | their drawing is not critical. As IEEE 1621-2004 says: 468 | 469 | \begin{quote} 470 | In accordance with IEC 80416-3, symbols can be filled, be rotated, have their lines 471 | thickened, or be used on digital displays, as long as an ordinary user can recognize 472 | the symbol correctly. 473 | \end{quote} 474 | 475 | \noindent \cite[\S 4.3]{IEEE1621}. There is no need to mirror any of the symbols for 476 | right-to-left scripts. 477 | 478 | \begin{table}[htbp] 479 | \centering 480 | \begin{tabular}{lcl} 481 | \textbf{Section} & \textbf{Code Point} & \textbf{Description} \\ 482 | \hline \\ 483 | Telugu fractions \ 484 | & 0C78 & TELUGU FRACTION DIGIT \\ 485 | and weights & & ZERO FOR ODD POWERS \\ 486 | & & OF FOUR \\ 487 | & 0C79 & TELUGU FRACTION DIGIT \\ 488 | & & ONE FOR ODD POWERS \\ 489 | & & OF FOUR \\ 490 | & 0C7A & TELUGU FRACTION DIGIT \\ 491 | & & TWO FOR ODD POWERS \\ 492 | & & OF FOUR \\ 493 | & 0C7B & TELUGU FRACTION DIGIT \\ 494 | & & THREE FOR ODD POWERS \\ 495 | & & OF FOUR \\ 496 | & 0C7C & TELUGU FRACTION DIGIT \\ 497 | & & ONE FOR EVEN POWERS \\ 498 | & & OF FOUR \\ 499 | & 0C7D & TELUGU FRACTION DIGIT \\ 500 | & & TWO FOR EVEN POWERS \\ 501 | & & OF FOUR \\ 502 | & 0C7E & TELUGU FRACTION DIGIT \\ 503 | & & THREE FOR EVEN \\ 504 | & & POWERS OF FOUR \\ 505 | \hline 506 | Miscellaneous \ 507 | & 26EE & GEAR WITH HANDLES \\ 508 | Symbols & & (= power plant, power \\ 509 | & & substation) \\ 510 | \hline 511 | Kangxi Radicals \ 512 | & 2F12 & KANGXI RADICAL POWER \\ 513 | \hline 514 | Yijing Hexagram Symbols \ 515 | & 4DE1 & HEXAGRAM FOR GREAT \\ 516 | & & POWER \\ 517 | \hline 518 | Mathematical \ 519 | & 1D4AB & MATHEMATICAL SCRIPT \\ 520 | Alphanumeric Symbols & & CAPITAL P (= power set) \\ 521 | \end{tabular} 522 | \caption{All occurrences of `power' in the Unicode Standard, Version 6.3.0.} 523 | \label{table:power} % label must come after caption! 524 | \end{table} 525 | 526 | \subsection{Severability} 527 | 528 | Of all the characters in Table \ref{table:symbols}, the most needed is \IECpower. 529 | We included the others in this proposal because they form a logical group. If, 530 | however, there is any objection to inclusion of \IECon, \IECoff, \IEConoff, or 531 | \IECsleep, the one we most need is \IECpower. 532 | 533 | \section{Sponsors} 534 | 535 | The address for correspondence is: 536 | 537 | \begin{quote} 538 | Joe Loughry \\ 539 | 6214 South Krameria Street \\ 540 | Centennial, CO 80111-4243 \\ 541 | USA 542 | 543 | \medskip Tel.\ +1 303 221 4380 544 | 545 | \medskip Email:~\texttt{joe.loughry@stx.ox.ac.uk} 546 | \end{quote} 547 | 548 | \noindent The other sponsors' postal addresses are: 549 | 550 | \begin{quote} 551 | Terence Eden \\ 552 | 24 Thames View Road \\ 553 | Oxford, OX4 4TG \\ 554 | ENGLAND 555 | 556 | \medskip Email: \texttt{terence.eden@shkspr.mobi} 557 | \end{quote} 558 | 559 | \noindent and 560 | 561 | \begin{quote} 562 | Bruce Nordman \\ 563 | 90-2000 \\ 564 | 1 Cyclotron Road \\ 565 | Lawrence Berkeley National Laboratory \\ 566 | Berkeley, CA 94720-8130 \\ 567 | USA 568 | 569 | \medskip Tel.\ 510-486-7089 570 | 571 | \medskip Email: \texttt{BNordman@LBL.gov} 572 | \end{quote} 573 | 574 | \section{Summary and Conclusion} 575 | 576 | The \IECpower, \IECoff, \IECsleep, \IECon, and \IEConoff\ symbols are needed 577 | by technical writers to produce manuals in which these important symbols are 578 | searchable in plain text. Because they were invented by the standards body to 579 | be distinctive, new, and unambiguous, there is no confusion with existing 580 | scripts. They have been in use in running text for at least thirty years. The 581 | suggested character properties are straightforward. We provide along with this 582 | proposal TrueType and OpenType fonts called \emph{UnicodeIECsymbol} 583 | containing the new symbols; the fonts are made available with no restrictions. 584 | 585 | \bibliographystyle{plain} 586 | \bibliography{consolidated_bibtex_file} 587 | 588 | \vfill 589 | \noindent{\tiny This document was made with \hologo{XeTeX}. Build \input{build_counter.txt}} 590 | 591 | \newpage 592 | \includepdf[pages={1-2}]{ISO_submission_form/n4102-form-completed.pdf} 593 | 594 | \end{document} 595 | 596 | -------------------------------------------------------------------------------- /submitted_20140114.1430/power_symbol_proposal.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/submitted_20140114.1430/power_symbol_proposal.pdf -------------------------------------------------------------------------------- /submitted_20140115.1204/power_symbol_proposal_revised.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/submitted_20140115.1204/power_symbol_proposal_revised.pdf -------------------------------------------------------------------------------- /unicode_font_test_page.html: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/unicode_font_test_page.html -------------------------------------------------------------------------------- /working_group/14059-power.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jloughry/Unicode/805536fb6f93604da985d80e0c6b099f98f8b4d9/working_group/14059-power.pdf --------------------------------------------------------------------------------