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git/contrib/update-unicode
Stefan Beller e233bef43e
unicode_width.h: rename to use dash in file name 		7 years ago
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.gitignore
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README unicode_width.h: rename to use dash in file name 7 years ago
update_unicode.sh unicode_width.h: rename to use dash in file name 7 years ago

README 

TL;DR: Run update_unicode.sh after the publication of a new Unicode
standard and commit the resulting unicode-widths.h file.

The long version
================

The Git source code ships the file unicode-widths.h which contains
tables of zero and double width Unicode code points, respectively.
These tables are generated using update_unicode.sh in this directory.
update_unicode.sh itself uses a third-party tool, uniset, to query two
Unicode data files for the interesting code points.

On first run, update_unicode.sh clones uniset from Github and builds it.
This requires a current-ish version of autoconf (2.69 works per December
2016).

On each run, update_unicode.sh checks whether more recent Unicode data
files are available from the Unicode consortium, and rebuilds the header
unicode-widths.h with the new data. The new header can then be
committed.