templates/*.php --output=po/squirrelmail.pot
xgettext ${XGETTEXT_OPTIONS} -j \
templates/default/*.tpl --output=po/squirrelmail.pot
+xgettext ${XGETTEXT_OPTIONS} -j \
+ templates/default_advanced/*.tpl --output=po/squirrelmail.pot
xgettext ${XGETTEXT_OPTIONS} -j \
po/independent_strings.txt --output=po/squirrelmail.pot