4875e7148
Denys Vlasenko
2010-02-01
Subject
docs/unicode.txt: added more TODOs
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docs/unicode.txt+23 -8
| @@ -26,30 +26,45 @@ But we also need to handle the following problematic moments: | |
| * Bidirectional handling. If user wants to echo a phrase | |
| in Hebrew, he types: echo "srettel werbeH" | |
| - | Editors |
| + | Editors (vi, ed) |
| This case is a bit similar to "shell input", but unlike shell, | |
| editors may encounder many more unexpected unicode sequences | |
| - | (try to load a random binry file...), and they need to preserve |
| + | (try to load a random binary file...), and they need to preserve |
| them, unlike shell which can afford to drop bogus input. | |
| - | |
| more, less | |
| - | . |
| + | Need to correctly display any input file. Ideally, with |
| + | ASCII/unicode/filtered_unicode option or keyboard switch. |
| + | Note: need to handle tabs and backspaces specially |
| + | (bksp is for manpage compat). |
| + | |
| + | cut, fold, watch |
| + | |
| + | May need ability to cut unicode string to specified number of wchars |
| + | and/or to specified screen width. Need to handle tabs specially. |
| + | |
| + | sed, awk, grep |
| + | |
| + | Handle unicode-aware regexp match |
| ls (multi-column display) | |
| - | . |
| + | ls will fail to line up columnar output if it will not account |
| + | for character widths (and maybe filter out some of them, see |
| + | above). OTOH, non-columnar views (ls -1, ls -l, ls | car) |
| + | should NOT filter out bad unicode (but need to filter out |
| + | control chars (coreutils does that). Note that unlike more/less, |
| + | tabs and backspaces need not special handling. |
| top, ps | |
| - | . |
| + | Need to perform filtering similar to ls. |
| Filename display (in error messages and elsewhere) | |
| - | . |
| - | |
| + | Need to perform filtering similar to ls. |
| TODO: write an email to Asmus Freytag ([email protected]), | |