Fix infinite invocation of 'dict-c5-font-lock-extend-region' by guarding condition.
# -*- coding: utf-8 -*-
ABOUT: gadict abbreviations/labels (En)
http://gadict.sourceforge.net
Materials placed in Public Domain.
_____
e.g.
for example
Latin phrase "exempli gratia"
_____
i.e.
that is
Latin phrase "id est"