Merge branch 'tb/unicode-6.3-zero-width'

Teach our display-column-counting logic about decomposed umlauts and friends. * tb/unicode-6.3-zero-width: utf8.c: partially update to version 6.3

Junio C Hamano committed Apr 16, 2014 at 13:38 UTC 9fd911a8101bf4d3bff4e2e61a138505eb39eace

No changes.