* lisp/emacs-lisp/tq.el: Small grammar fix in comments.
(tq-enqueue): Check for existence of queue rather than the head queue
item's question, which was a no-op.
(tq-filter, tq-process-buffer): Make sure the process buffer exists
before making it the current buffer.
* lispref/processes.texi (Transaction Queues): Remove stray quote
character.
Revision: emacs@sv.gnu.org/emacs--devo--0--patch-411
Creator: Michael Olson <mwolson@gnu.org>
(Commands for Insertion): Removed split-line since it's not
relevant for Lisp programming.
(Yank Commands): Rewrite introduction.
(Undo): Clarify.
(Maintaining Undo): Clarify. Document undo-ask-before-discard.
(Filling): Remove redundant comment. Clarify return value of
current-justification.
(Margins): Minor clarifications.
(Adaptive Fill): Update default value of adaptive-fill-regexp.
(Sorting): Update definition of sort-lines.
(Columns): Clarify behavior of sort-columns.
(Indent Tabs): Link to Tab Stops in Emacs manual.
(Special Properties): Clarify.
(Clickable Text): Mention Buttons package.
(Major Mode Basics): Mention define-derived-mode explicitly.
(Major Mode Conventions): Rebinding RET is OK for some modes.
Mention change-major-mode-hook and after-change-major-mode-hook.
(Example Major Modes): Moved to end of Modes section.
(Mode Line Basics): Clarify.
(Mode Line Data): Mention help-echo and local-map in strings.
Explain reason for treatment of non-risky variables.
(Properties in Mode): Clarify.
(Faces for Font Lock): Add font-lock-negation-char-face.
(font-lock-extend-region-multiline)
(font-lock-extend-region-wholelines): New functions.
(font-lock-default-fontify-region): Use them.
(font-lock-extend-jit-lock-region-after-change): Only round up
if font-lock-default-fontify-region will do it as well.
Rename from font-lock-extend-region-function.
(font-lock-extend-region): Remove by inlining at call sites.
(font-lock-after-change-function): Don't needlessly round up to a whole
number of lines.
(font-lock-extend-jit-lock-region-after-change): Be more careful about
the boundary conditions and the interactions between the various ways
to extend the region.
