of `read-from-minibuffer' when `regexp-flag' is non-nil.
(occur-read-primary-args): Use `read-regexp' instead of
`read-string'.
(multi-occur-in-matching-buffers): Use `read-regexp' instead of
`read-from-minibuffer'.
* lisp/isearch.el (isearch-occur): Use `read-regexp' instead of
`read-string'.
* lisp/dired.el (dired-read-regexp): Use `read-regexp' instead of
`read-from-minibuffer'.
* lisp/progmodes/grep.el (grep-read-regexp): Use `read-regexp' instead
of `read-string'.
Fixes: debbugs:7567
* lisp/progmodes/grep.el (rgrep): Tweak the find command line so
that directories matching `grep-find-ignored-files' won't be
pruned.
Fixes: debbugs:10351
* lisp/progmodes/compile.el (compilation-next-error-function):
Respect compilation-first-column in the "*compilation*" buffer.
* lisp/progmodes/grep.el (grep-first-column): New variable.
based on text properties put by `grep-filter' instead of matching
escape sequences.
(grep-mode): Set buffer-local `compilation-error-screen-columns'
to the value of `grep-error-screen-columns'.
Fixes: debbugs:9438
* etc/grep.txt: Add `eval' to the Local Variables section that
emulates `grep-filter'.
* lisp/progmodes/grep.el (grep-filter): Avoid incomplete processing by
keeping point where processing of grep matches begins, and
continue to delete remaining escape sequences from the same point.
(grep-filter): Make leading zero optional in "0?1;31m" because
git-grep emits "\033[1;31m" escape sequences unlike expected
"\033[01;31m" as GNU Grep does.
(grep-process-setup): Replace obsolete "ml=" with newer "sl=".
Fixes: debbugs:9408
* progmodes/grep.el (grep-mode-font-lock-keywords): Remove
buffer-changing entries.
(grep-filter): New function.
(grep-mode): Add it to compilation-filter-hook.
* progmodes/compile.el (compilation-filter-hook)
(compilation-filter-start): New defvars.
(compilation-filter): Call compilation-filter-hook prior to
updating the process mark.
* lisp/progmodes/grep.el (grep-find-use-xargs): Doc fix.
(grep-compute-defaults): Check for `-exec COMMAND +' support.
Set grep-find-use-xargs, grep-find-command, and grep-find-template
accordingly. Don't add the null-device if not needed.
* lisp/progmodes/compile.el: Cleanup text-properties namespace by using
`compilation-message' instead of `message', `compilation-directory'
instead of `directory', and `compilation-debug' instead of `debug'.
(compilation-last-buffer, compilation-parsing-end)
(compilation-error-list, compilation-old-error-list): Move to the
compatibility part of the code.
(compilation-error-properties): If `file' is a function, let it return
a file name.
(compilation-mode-font-lock-keywords): Be more conservative with the
omake "^ *" pattern prefix, to try and minimize the risk of
pathologically slow regexp matching.
(compilation-start): Use inhibit-read-only.
(compilation--unsetup): New function.
(compilation-shell-minor-mode, compilation-minor-mode): Use it.
(compilation-filter): Minor tweaks.
(compilation-next-error-function): Try and avoid abusing variable names.
(compilation--flush-file-structure): New fun.
(compilation-fake-loc): Use it for cleaner behavior when file is reused.
(debug-ignored-errors): Add "Moved past last ...".
(compilation--compat-error-properties)
(compilation--compat-parse-errors): Rename by doubling the "-".
* lisp/progmodes/grep.el (grep-regexp-alist): Tighten regexp.
(grep-mode-font-lock-keywords): Remove regexp that seems like
a left-over from before we used compile.el.
(grep-mode-font-lock-keywords): Call syntax-ppss-flush-cache when
modifying the buffer within with-silent-modifications.
Remove "all" from grep-files-aliases. Split grep-files-aliases by
whitespace, call wildcard-to-regexp on substrings and concat them
with "\\|". (Bug#6114)
(grep-highlight-matches): Add new options
`always' and `auto'. Doc fix.
(grep-process-setup): Check `grep-highlight-matches' for
`auto-detect' to determine the need to compute grep defaults.
Move Windows/DOS specific --colors settings handling
to `grep-compute-defaults'. Check `grep-highlight-matches'
to get the value of "--color=".
(grep-compute-defaults): Compute `grep-highlight-matches' when it
has the value `auto-detect'. Move Windows/DOS specific settings
from `grep-process-setup'.
(zrgrep): New command with alias `rzgrep'.
