Search and highlight symbol at point.

* doc/emacs/display.texi (Highlight Interactively): Add global keybindings
with the key prefix `M-s h'.  Document old command `highlight-phrase'.
Document new command `highlight-symbol-at-point'.

* lisp/bindings.el (search-map): Bind `highlight-symbol-at-point' to
`M-s h .'. 

* lisp/hi-lock.el (highlight-symbol-at-point): New alias for the new
command `hi-lock-face-symbol-at-point'.
(hi-lock-face-symbol-at-point): New command.
(hi-lock-map): Bind `highlight-symbol-at-point' to `C-x w .'.
(hi-lock-menu): Add `highlight-symbol-at-point'.
(hi-lock-mode): Doc fix.

* lisp/isearch.el (isearch-forward-symbol-at-point): New command.
(search-map): Bind `isearch-forward-symbol-at-point' to `M-s .'.
(isearch-highlight-regexp): Add a regexp which matches
words/symbols for word/symbol mode.

* lisp/subr.el (find-tag-default-bounds): New function with the body
mostly moved from `find-tag-default'.
(find-tag-default): Move most code to `find-tag-default-bounds',
call it and apply `buffer-substring-no-properties' afterwards.

Fixes: debbugs:14427

1 files changed, 14 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index b2ecba79684..bb66faa183c 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -260,8 +260,22 @@ callers to fit the image to a frame other than the selected frame.
 entries displayed by `Info-index-next', `Info-virtual-index' and
 `info-apropos'.
 
+** Hi-Lock
+
+*** New option `hi-lock-auto-select-face'.  When non-nil, hi-lock commands
+will cycle through faces in `hi-lock-face-defaults' without prompting.
+
++++
+*** New global command `M-s h .' (`highlight-symbol-at-point')
+highlights the symbol found near point without prompting,
+using the next face automatically.
+
 ** Search and Replace
 
+*** New global command `M-s .' (`isearch-forward-symbol-at-point')
+starts a symbol (identifier) incremental search forward with the
+symbol found near point added to the search string initially.
+
 *** `C-x 8 RET' in Isearch mode reads a character by its Unicode name
 and adds it to the search string.