* wesnoth-mode.el (wesnoth-first-column-indent-p): Fix a bug which slowed
indentation dramatically.
(wesnoth-within-define, wesnoth-find-macro-definitions): Fixed a bug where
the region would be re-scanned repeatedly when performing indentation over a
region if no macros were defined.
(wesnoth-determine-context): Fixed a bug where indentation would fail prior
to the start of WML.
(wesnoth-check-wml): Store last match for referencing.
(wesnoth-first-column-indent-p): Renamed from `first-column-indent-p'.
(wesnoth-indent): Reference renamed function.