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Author	SHA1	Message	Date
Torsten Bögershausen	9c94389c3e	utf8: make it easier to auto-update git_wcwidth() 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>	11 years ago

Author

SHA1

Message

Date

Torsten Bögershausen

9c94389c3e

utf8: make it easier to auto-update git_wcwidth()

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>

11 years ago

1 Commits (5b509df0c3b54c1b64ae3de871b2f150a524abb0)