Collects every say/ask line's text into an identity catalog - each key mapping to
itself, the same shape MWL's own extractCatalog builds from _("...")-marked strings -
so a translator has real entries to work from instead of a wall of untranslated dialogue.
Collects every
say/askline's text into an identity catalog - each key mapping to itself, the same shape MWL's ownextractCatalogbuilds from_("...")-marked strings - so a translator has real entries to work from instead of a wall of untranslated dialogue.