* wesnoth-mode.el (wesnoth-check-display-type, wesnoth-idle-warnintg-timer):

* wesnoth-mode.el (wesnoth-check-display-type, wesnoth-idle-warnintg-timer):
  New customisation options.
  (wesnoth-warning-face): New face.
  (wesnoth-mode-map): Added bindings for next / previous error.
  (wesnoth-auto-check-timer): New variable.
  (wesnoth-newline): Fixed a bug where indentation could not be forced.
  (wesnoth-extract-macro-details): No longer save-match-data.
  (wesnoth-check-process): New macro.  Assist reporting in wesnoth-check-wml.
  (wesnoth-locate-warning): New macro.
  (wesnoth-forward-warning, wesnoth-backward-warning): Use it.
  (wesnoth-place-overlay, wesnoth-idle-warning-check,
  wesonth-warnings-at-point): New functions.
  (wesnoth-check-wml): Support overlays and additional output options.
  (wesnoth-mode): Start timer to display warnings.