* wesnoth-mode.el (wesnoth-font-lock-keywords): Updated tag regexp not to match

* wesnoth-mode.el (wesnoth-font-lock-keywords): Updated tag regexp not to match
  arrays.
  (wesnoth-element-closing, wesnoth-element-opening, wesnoth-element): Added
  indentation support for FOREACH and NEXT macros.
  (wesnoth-element-completion): More reliably prompt.  No longer insert valid
  substring when there's a longer valid alternative.
  (wesnoth-partial-macro-p): Added multi-line support.
  (wesnoth-indent-or-complete): Only attempt macro completion when an
  incomplete macro precedes point.  Do not delete elements adjacent to the
  closing tag when completing.
  (wesnoth-complete-tag, wesnoth-complete-preprocessor,
  wesnoth-complete-attribute): No longer delete adjacent elements.
  (wesnoth-complete-macro): Ensure point does not go to to far forward when no
  arguments required for the macro.  No longer delete adjacent elements.
  (wesnoth-indent): Added support for FOREACH..NEXT indentation.
  (wesnoth-determine-context): Do not base context when tag is opened and
  closed immediately on the same line; search for previous element.  Added
  support for FOREACH..NEXT indentation.