Add options `error-callback' and `error-callback-data'.
commit8fc53bb13f512a0be83ae48844b559dd1b3ded51
authorWerner Lemberg <wl@gnu.org>
Sat, 28 Jun 2014 05:57:22 +0000 (28 07:57 +0200)
committerWerner Lemberg <wl@gnu.org>
Sat, 28 Jun 2014 05:57:22 +0000 (28 07:57 +0200)
tree6b7dbfd21df1be484e81ba62f17306b2a61a7cbe
parentce6cf0f29bca192e3c77d346b462bd3e52147746
Add options `error-callback' and `error-callback-data'.

This provides a more sophisticated alternative to `error-string'.

Also add more error codes for failures in x height exceptions string
parsing.
lib/ttfautohint-errors.h
lib/ttfautohint.c
lib/ttfautohint.h