Unicode: Difference between revisions
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Revision as of 12:57, 26 December 2019
The advent of Unicode solved many problems with dealing with APL glyphs, however there was still some wiggle room as to which Unicode code point were to be used in a Unicode implementation of APL, and different implementers made different choices. This article, which documents these differences, is adapted from an original paper by Bob Smith[1] that attempted to raise awareness of these issues because the differences impede transfer of information.
APL name | Glyph | Code point | Unicode name | APL2 | Dyalog APL | GNU APL | NARS2000 | ngn/apl | dzaima/APL |
---|---|---|---|---|---|---|---|---|---|
Circle | ○ |
U+25CB | White circle | Yes | Yes | Yes | Yes | Yes | Yes |
⚪ |
U+26AA | Medium white circle | No | No | No | Yes | No | No | |
Diamond | ⋄ |
U+22C4 | Diamond operator | Yes | Yes | Yes | Yes | Yes | Yes |
◇ |
U+25C7 | White Diamond | No | No | No | Yes | No | No | |
◊ |
U+25CA | Lozenge | No | No | Yes | Yes | No | No | |
⬦ |
U+2B26 | Diamond | No | No | Yes | Yes | No | No |
References
- ↑ Smith, Bob. APL Characters and Their Aliases. 14 Dec 2013–25 Dec 2019. Sudley Place Software.