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* Update of unicode_width.h to Unicode Version 7.0tb/unicode-7.0-display-widthTorsten Bögershausen2014-06-181-7/+42
| | | | | | | | | | Unicode Version 7.0 was released yesterday. Run ./update_unicode.sh to update the zero_width table. Note: the double_width is unchanged. Signed-off-by: Torsten Bögershausen <tboegi@web.de> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* utf8: make it easier to auto-update git_wcwidth()tb/unicode-6.3-zero-widthTorsten Bögershausen2014-05-121-0/+288
The function git_wcwidth() returns for a given unicode code point the width on the display: -1 for control characters, 0 for combining or other non-visible code points 1 for e.g. ASCII 2 for double-width code points. This table had been originally been extracted for one Unicode version, probably 3.2. We now use two tables these days, one for zero-width and another for double-width. Make it easier to update these tables to a later version of Unicode by factoring out the table from utf8.c into unicode_width.h and add the script update_unicode.sh to update the table based on the latest Unicode specification files. Thanks to Peter Krefting <peter@softwolves.pp.se> and Kevin Bracey <kevin@bracey.fi> for helping with their Unicode knowledge. Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>