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In theory, you should see APL characters with any ordinary font: nowadays any system font should contain those characters. It might not look nice, but it should work. | <<TableOfContents>> |
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In theory, there is no difference between theory and practice. In practice, there is. Experience shows that some fonts are buggy: they contain most APL characters but not all. |
== Overview == |
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However, for best results we suggest to install the '''APL385 Unicode''' font anyway. Download here: http://www.dyalog.com/download/unicode/apl385.ttf This font does not only have '''all''' APL characters, it also looks nice. |
When you display a page of the APL wiki that contains APL chars, there are two opportunities: |
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== Browsers == Every modern Browser should be fine. I suggest the latest Firefox for best results. |
1. You have one of the Unicode APL fonts installed locally on your machine. 1. You don't have a Unicode APL font installed |
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If you use Internet Explorer, make sure that it is version 7 or better. Everything else is a nightmare. | In the first case that font is used to display the APL chars. In the second case it depends on your browser. If it is one of these: * Internet Explorer 8 or better * !FireFox 3.5 or better * Opera 10 or better * Safari 4.0 or better then you will see APL characters even without having any APL font installed on your machine. The magic behind this is called "font embedding". For details see UnderstandingFontEmbedding. Note that Microsoft introduced embedded fonts with version 4.0 of Internet Explorer. However, during my tests I couldn't get IE6 to display APL chars properly. I have no access to other versions of IE. Note also that Chrome 3.0 can manage embedded fonts but it doesn't by default. All these statements are valid for Windows. I am not using Unix/Linux. == About Unicode fonts == In theory, you should see APL characters even with "Arial", because nowadays "Arial" is a Unicode fonts. Now a font that is technically a Unicode font almost never contain all defined Unicode characters. Which ones are available is a matter of priorities. Not surprisingly many Unicode font do '''not''' come with APL chars. However, even if you cannot actually see the APL chars in the browser you should still be able to copy the page into the clipboard and insert it into one of the Unicode capable interpreters, although this is only theoretically of interest: if you have such an interpreter you would also have an appropriate Unicode font on your machine anyway. If for any reason you prefer to use either an old browser or a browser which is not able to do font embedding I suggest that you install one of the following fonts. They are listed in a particular sequence. The first one to be found on your system defines the one which is actually used by your browser, unless you've forced your browser to use a particular font - see ConfigureYourBrowserForAPL for how to do this. === The "APL385 Unicode" Font === If you have installed Dyalog APL version 11 or later, you will have this font installed already. The font can be downloaded from: http://www.dyalog.com/download/unicode/apl385.ttf This font is the first choice: when installed, the APL wiki will use it. Note that this font is supposed to contain all APL symbols available, so it should be fine with any Unicode-capable APL dialect. === The "APLX Upright" Font === If you have installed a desktop version of APLX (full or evaluation copy), you will have this font installed already. The font can be downloaded from: http://www.microapl.co.uk/download/aplx_unicode.ttf Note that this font does not contain all characters. For example, the Dyalog-specific {{{⍨}}} is not contained in that font. === The "Courier APL2 Unicode" Font === This is a Unicode font that comes with APL2. === The "SImPL" Font === This font has all of the APL characters in use in all of the APL interpreters past and present. Download [[attachment:SImPL_medium_APL.ttf]] A variant of this font (called '''SImPL medium''') is bundled with [[http://www.nars2000.org|NARS2000]]. Moreover, here's a description of the [[http://wiki.nars2000.org/index.php/APL_Font|extra glyphs]] this interpreter would like to see in any APL Unicode font. If you download and unzip any [[http://www.nars2000.org/download|NARS2000 binary]], you'll obtain a copy of this variant. === Other APL fonts won't work === Note that fonts like "Dyalog Std", "Dyalog Alt", "Causeway" and many others are '''not''' Unicode fonts. Therefore, the APL wiki does not even try to use them: they won't work! == "It works with the APL wiki, but not elsewhere" == The APL wiki explicitly tells a browser to use one of the true APL Unicode fonts mentioned above. Furthermore, any page in the APL wiki declares itself as truly Unicode-capable. Therefore it simply works: modern browsers know what to do. But if you use that very same browser to visit APL discussion groups hosted by either Google (like comp.lang.apl) or Yahoo (like dyalogusers) or to send emails with embedded APL chars via a browser (for example via !GoogleMail), then you '''must''' configure your Browser accordingly, otherwise it won't work. See ConfigureYourBrowserForUnicode for details For displaying APL chars in emails and News Readers, things are a bit more complex. See ConfiguringMailAndNewsReaders for details. == "But it's ugly, really!" == Large sizes are fine but small one's are ugly? See MakeUglyAplFontNice == What exactly is "APL385 Unicode" offering? == === All characters available === The APL wiki's preferred font, "APL385 Unicode", comes with these characters: {{{ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnop qrstuvwxyz{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàá âãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂ㥹ĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİı IJijĴĵĶķĸĹĺĻļĽľĿŀŁłŃńŅņŇňʼnŊŋŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƒɛ ɩˆ˜̀́̂̃̄̅̆Ά·ΈΉΊΌΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋ όύώϏϐϑϒϓϔϕϖϗϘϙϚϛϜϝϞϟϠϡϢϣϤϥϦϧϨЁЂЃЄЅІЇЈЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзи йклмнопрстуфхцчшщъыьэюяёѓєѕіїјў–—―‖‗‘’‚‛“”„‟†‡•…‰‹›₧€™←↑→↓↔↕∆∇∉∊∏∑−∕∘∙√∞∣∧∨∩∪∫∵∼ ≈≉≠≡≢≣≤≥⊂⊃⊆⊇⊖⊢⊣⊤⊥⋄⌈⌉⌊⌋⌶⌷⌸⌹⌺⌻⌼⌽⌾⌿⍀⍁⍂⍃⍄⍅⍆⍇⍈⍉⍊⍋⍌⍍⍎⍏⍐⍑⍒⍓⍔⍕⍖⍗⍘⍙⍚⍛⍜⍝⍞⍟⍠⍡⍢⍣⍤⍥⍦⍧⍨⍩⍪⍫⍬⍭⍮⍯ ⍰⍱⍲⍳⍴⍵⍶⍷⍸⍹⍺⎕─│┌┐└┘├┬┴┼═║╔╗╚╝╠╣╦╩╬▀▄█▌▐░▒▓▯◇◊○♀♂ }}} === Contained in the default ⎕AV === In Dyalog's default Atomic Vector, these characters are defined: {{{ 15 16⍴¯240↑17↓⎕av abcdefghijklmno pqrstuvwxyz¯.⍬ 0123456789¤¥$£¢ ∆ABCDEFGHIJKLMNO PQRSTUVWXYZý· ⍙ÁÂÃÇÈÊËÌÍÎÏÐÒÓÔ ÕÙÚÛÝþãìðòõ{€}⊣⌷ ¨ÀÄÅÆ⍨ÉÑÖØÜßàáâä åæçèéêëíîïñ[/⌿\⍀ <≤=≥>≠∨∧-+÷×?∊⍴~ ↑↓⍳○*⌈⌊∇∘(⊂⊃∩∪⊥⊤ |;,⍱⍲⍒⍋⍉⌽⊖⍟⌹!⍕⍎⍫ ⍪≡≢óôöø"# &´┘┐┌└ ┼─├┤┴┬│@ùúû^ü`∣¶ :⍷¿¡⋄←→⍝)] §⎕⍞⍣ }}} In case something is wrong with your APL font, or you don't have one installed, or dynamic font downloading is not working for some reason, here is a picture; that's what you '''should''' see above as well: {{attachment:QAV.jpg}} Author: KaiJaeger ---- CategoryUnicode |
APL Characters
Contents
Overview
When you display a page of the APL wiki that contains APL chars, there are two opportunities:
- You have one of the Unicode APL fonts installed locally on your machine.
- You don't have a Unicode APL font installed
In the first case that font is used to display the APL chars. In the second case it depends on your browser. If it is one of these:
- Internet Explorer 8 or better
FireFox 3.5 or better
- Opera 10 or better
- Safari 4.0 or better
then you will see APL characters even without having any APL font installed on your machine. The magic behind this is called "font embedding". For details see UnderstandingFontEmbedding.
Note that Microsoft introduced embedded fonts with version 4.0 of Internet Explorer. However, during my tests I couldn't get IE6 to display APL chars properly. I have no access to other versions of IE.
Note also that Chrome 3.0 can manage embedded fonts but it doesn't by default.
All these statements are valid for Windows. I am not using Unix/Linux.
About Unicode fonts
In theory, you should see APL characters even with "Arial", because nowadays "Arial" is a Unicode fonts. Now a font that is technically a Unicode font almost never contain all defined Unicode characters. Which ones are available is a matter of priorities. Not surprisingly many Unicode font do not come with APL chars.
However, even if you cannot actually see the APL chars in the browser you should still be able to copy the page into the clipboard and insert it into one of the Unicode capable interpreters, although this is only theoretically of interest: if you have such an interpreter you would also have an appropriate Unicode font on your machine anyway.
If for any reason you prefer to use either an old browser or a browser which is not able to do font embedding I suggest that you install one of the following fonts. They are listed in a particular sequence. The first one to be found on your system defines the one which is actually used by your browser, unless you've forced your browser to use a particular font - see ConfigureYourBrowserForAPL for how to do this.
The "APL385 Unicode" Font
If you have installed Dyalog APL version 11 or later, you will have this font installed already.
The font can be downloaded from:
http://www.dyalog.com/download/unicode/apl385.ttf
This font is the first choice: when installed, the APL wiki will use it. Note that this font is supposed to contain all APL symbols available, so it should be fine with any Unicode-capable APL dialect.
The "APLX Upright" Font
If you have installed a desktop version of APLX (full or evaluation copy), you will have this font installed already.
The font can be downloaded from:
http://www.microapl.co.uk/download/aplx_unicode.ttf
Note that this font does not contain all characters. For example, the Dyalog-specific ⍨ is not contained in that font.
The "Courier APL2 Unicode" Font
This is a Unicode font that comes with APL2.
The "SImPL" Font
This font has all of the APL characters in use in all of the APL interpreters past and present.
Download SImPL_medium_APL.ttf
A variant of this font (called SImPL medium) is bundled with NARS2000. Moreover, here's a description of the extra glyphs this interpreter would like to see in any APL Unicode font. If you download and unzip any NARS2000 binary, you'll obtain a copy of this variant.
Other APL fonts won't work
Note that fonts like "Dyalog Std", "Dyalog Alt", "Causeway" and many others are not Unicode fonts. Therefore, the APL wiki does not even try to use them: they won't work!
"It works with the APL wiki, but not elsewhere"
The APL wiki explicitly tells a browser to use one of the true APL Unicode fonts mentioned above. Furthermore, any page in the APL wiki declares itself as truly Unicode-capable. Therefore it simply works: modern browsers know what to do.
But if you use that very same browser to visit APL discussion groups hosted by either Google (like comp.lang.apl) or Yahoo (like dyalogusers) or to send emails with embedded APL chars via a browser (for example via GoogleMail), then you must configure your Browser accordingly, otherwise it won't work. See ConfigureYourBrowserForUnicode for details
For displaying APL chars in emails and News Readers, things are a bit more complex. See ConfiguringMailAndNewsReaders for details.
"But it's ugly, really!"
Large sizes are fine but small one's are ugly?
What exactly is "APL385 Unicode" offering?
All characters available
The APL wiki's preferred font, "APL385 Unicode", comes with these characters:
!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnop qrstuvwxyz{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàá âãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂ㥹ĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİı IJijĴĵĶķĸĹĺĻļĽľĿŀŁłŃńŅņŇňʼnŊŋŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƒɛ ɩˆ˜̀́̂̃̄̅̆Ά·ΈΉΊΌΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋ όύώϏϐϑϒϓϔϕϖϗϘϙϚϛϜϝϞϟϠϡϢϣϤϥϦϧϨЁЂЃЄЅІЇЈЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзи йклмнопрстуфхцчшщъыьэюяёѓєѕіїјў–—―‖‗‘’‚‛“”„‟†‡•…‰‹›₧€™←↑→↓↔↕∆∇∉∊∏∑−∕∘∙√∞∣∧∨∩∪∫∵∼ ≈≉≠≡≢≣≤≥⊂⊃⊆⊇⊖⊢⊣⊤⊥⋄⌈⌉⌊⌋⌶⌷⌸⌹⌺⌻⌼⌽⌾⌿⍀⍁⍂⍃⍄⍅⍆⍇⍈⍉⍊⍋⍌⍍⍎⍏⍐⍑⍒⍓⍔⍕⍖⍗⍘⍙⍚⍛⍜⍝⍞⍟⍠⍡⍢⍣⍤⍥⍦⍧⍨⍩⍪⍫⍬⍭⍮⍯ ⍰⍱⍲⍳⍴⍵⍶⍷⍸⍹⍺⎕─│┌┐└┘├┬┴┼═║╔╗╚╝╠╣╦╩╬▀▄█▌▐░▒▓▯◇◊○♀♂
Contained in the default ⎕AV
In Dyalog's default Atomic Vector, these characters are defined:
15 16⍴¯240↑17↓⎕av abcdefghijklmno pqrstuvwxyz¯.⍬ 0123456789¤¥$£¢ ∆ABCDEFGHIJKLMNO PQRSTUVWXYZý· ⍙ÁÂÃÇÈÊËÌÍÎÏÐÒÓÔ ÕÙÚÛÝþãìðòõ{€}⊣⌷ ¨ÀÄÅÆ⍨ÉÑÖØÜßàáâä åæçèéêëíîïñ[/⌿\⍀ <≤=≥>≠∨∧-+÷×?∊⍴~ ↑↓⍳○*⌈⌊∇∘(⊂⊃∩∪⊥⊤ |;,⍱⍲⍒⍋⍉⌽⊖⍟⌹!⍕⍎⍫ ⍪≡≢óôöø"# &´┘┐┌└ ┼─├┤┴┬│@ùúû^ü`∣¶ :⍷¿¡⋄←→⍝)] §⎕⍞⍣
In case something is wrong with your APL font, or you don't have one installed, or dynamic font downloading is not working for some reason, here is a picture; that's what you should see above as well:
Author: KaiJaeger