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| author | Kaz Kylheku <kaz@kylheku.com> | 2021-06-01 11:17:15 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2021-06-01 11:17:15 -0700 |
| commit | 00ae1477295136c8a3e81b5afae1b714de9822f8 (patch) | |
| tree | 85939011ccc217a0ebc78b6baa8235bbd61287dd /txr.1 | |
| parent | ad0b7a7d38d77f0cb90e1509e2eb56a6cbb8db75 (diff) | |
| download | txr-00ae1477295136c8a3e81b5afae1b714de9822f8.tar.gz txr-00ae1477295136c8a3e81b5afae1b714de9822f8.tar.bz2 txr-00ae1477295136c8a3e81b5afae1b714de9822f8.zip | |
chr-iscntrl: recognize Unicode C0 and C1.
* lib.c (chr_iscntrl): Don't use iswcntrl; it fails to report
0x80-0x9F as control characters. A bit of hand-crafted logic
does the job.
* txr.1: Redocumented.
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -24586,11 +24586,14 @@ function returns .code t if the character .meta char -is a character whose code -ranges from 0 to 31, or is 127. In other words, any non-printable ASCII -character. For other characters, it returns +is a control character. For all other character, it returns .codn nil . +A control character is one which belongs to the Unicode C0 or C1 block. +C0 consists of the the characters U+0000 through U+001F, plus the +character U+007F. These are the original ASCII control characters. +Block C1 consists of U+0080 through U+009F. + .coNP Functions @ chr-isdigit and @ chr-digit .synb .mets (chr-isdigit << char ) |