compilation-mode major mode, rather than internal state variables. Don't
want to match a buffer that was once in compilation-minor-mode but is not now.
a drop-in replacement for list-tags.
(find-tag-noselect): Recognize filenames as valid tags too.
(find-tag-file-order): New variable holds function to check for match
for a file name used as a tag.
(last-tag-file): New variable; stores the filename looked for via
find-tag family of functions.
(find-tag-in-order): If the tag is a file name, position at file beg.
(etags-recognize-tags-table): Added new var find-tag-file-order to
tags-table-format variables. Added tag-filename-match-p to the
list for find-tag-tag-order.
(tag-filename-match-p): New function.
(list-tags): Rewritten for speed.
(tags-list-functions-in-file): New subroutine for list-tags.
(tags-locate-file-in-tags-table): New function locates a
file in `tags-table-list'.
If an apparent conditional is not really a conditional, skip past it.
(c-fill-paragraph): If comment terminator is on a
separate line, don't include that line in the filling.
C-c C-b now inserts block. C-c C-d does goto-defun.
`#' calls on electric-pascal-hash.
(pascal-calculate-indent, pascal-indent-alist)
(electric-pascal-tab, pascal-indent-case):
Better handling of indent within case. Support for CPP.
The `;' in the last statement of a subblock may be omitted.
(electric-pascal-hash): New function.
fortran-beginning-if, fortran-beginning-do): New subroutines.
(fortran-blink-matching-if, fortran-blink-matching-do): Use them.
(fortran-mark-do, fortran-mark-if): New user functions.
(fortran-blink-matching-if, fortran-mode): Doc mod.
(compilation-error-regexp-alist): Make first regexp match column numbers too.
Remove regexp for "prog:file:line: error".
Replace GNAT 1.82 regexp with "prog: file:line\(:col\)?: error".
(compilation-parse-errors): If spec has a column subexpr, but it was
optional and didn't match, ignore it.
(makefile-macroassign-regex): Don't include space and tab in macro names.
(makefile-backslash-column): New variable.
(makefile-backslash-region): New function.
(makefile-backslashify-current-line): New function.
(makefile-mode-map): Bind C-c C-\ to makefile-backslash-region.
(makefile-tab-face): New variable.
(makefile-font-lock-keywords): Use makefile-tab-face.
(makefile-font-lock-keywords): Use defvar, not defconst.
