* doc/emacs/frames.texi (Menu Bars, Tool Bars, Tab Bars):
Don't start index entries from a capital letter.
(Tab Bars): Improve wording and indexing.
* etc/NEWS: Improve documentation of Tab bars.
* src/xdisp.c (redisplay_internal): Detect when the frame
becomes garbaged inside the call to update_frame, and redraw
the frame in that case. (Bug#37579)
* lisp/image-mode.el (image-set-window-vscroll): Interpret the
argument VSCROLL value in pixel units.
(image-mode-reapply-winprops): Interpret the 'vscroll'
property value in pixel units.
(image-next-line): Scroll the image with pixel resolution.
(image-eob): Set the image vscroll in pixels. (Bug#37578)
* lisp/emacs-lisp/easy-mmode.el (easy-mmode--mode-docstring):
When using `easy-mmode--arg-docstring' to auto-generate a
docstring, refill it up to `emacs-lisp-docstring-fill-column'.
* lisp/gnus/gnus-group.el (gnus-group-set-info): Packages that use
Gnus summary mode without actually booting Gnus might end up in this
situation. See bug#36903
Problems reported by Mattias Engdegård in:
https://lists.gnu.org/r/emacs-devel/2019-09/threads.html
* lisp/calendar/iso8601.el (iso8601--year-match)
(iso8601--full-date-match, iso8601--without-day-match)
(iso8601--week-date-match, iso8601--ordinal-date-match)
(iso8601--zone-match):
* lisp/textmodes/rst.el (rst-re-alist-def):
Put ‘-’ at the end of bracketed ranges, following the style
suggestion in the Elisp manual.
(iso8601--time-match): Use \([0-9]*\) instead of \([0-9]+\)?
to pacify the regexp scanner.
(iso8601-parse-time): Adjust accordingly.
* lisp/language/burmese.el (burmese-composable-pattern):
* lisp/language/indian.el (devanagari-composable-pattern)
(bengali-composable-pattern, gurmukhi-composable-pattern)
(gujarati-composable-pattern, oriya-composable-pattern)
(telugu-composable-pattern, kannada-composable-pattern)
(malayalam-composable-pattern):
Prefer [ab] to [a-b] when the characters differ by 1,
to pacify the regexp scanner.
* lisp/language/burmese.el (burmese-composable-pattern):
Fix missing-‘\u’ typos.
* lisp/language/indian.el (gurmukhi-composable-pattern):
Fix missing-‘\’ typo.
* lisp/language/tibetan.el (tibetan-regexp):
Quote ‘+’ in regexp to pacify the regexp scanner. Simplify.
* lisp/textmodes/rst.el (rst-re-alist-def): Fix ‘[]-'...]’
typo by putting the ‘-’ at end of the bracketed expression.
* lisp/mwheel.el (mwheel-scroll): Show a message instead of dinging at
end of buffer and beginning of buffer. This should be less intrusive,
especially when using a trackpad. (Bug#16196)
* lisp/bindings.el (global-map): Bind Scroll_Lock to
scroll-lock-mode. (Bug#6861)
* lisp/scroll-lock.el (scroll-lock-mode): Note that the binding will
not work if 'w32-scroll-lock-modifier' is non-nil.
* etc/NEWS: Announce it.
* lisp/progmodes/compile.el (compilation-error-regexp-alist-alist):
Fix a mistake introduced when the regexp was translated to rx.
* test/lisp/progmodes/compile-tests.el (compile-tests--test-regexps-data)
(compile-test-error-regexps): Add test case.
* etc/compilation.txt: Add example.
* test/lisp/progmodes/compile-tests.el (compile-test-error-regexps):
Don't rely on compilation-num-errors (etc) all being zero, which they
aren't if the test has been run before.
(compile-tests--test-regexps-data): Change defvar to defconst.
* lisp/emacs-lisp/easy-mmode.el (easy-mmode--mode-docstring):
When using `easy-mmode--arg-docstring' to auto-generate a
docstring, refill it up to `emacs-lisp-docstring-fill-column'.
* lisp/progmodes/project.el (project-files): New method.
Implementation for VC projects that uses 'git ls-files' or 'hg
status --all' for listing. With gratitude to Tassilo Horn who has
done most of the legwork and wrote the first version of the code
(https://lists.gnu.org/archive/html/emacs-devel/2019-10/msg00069.html).
(project--vc-list-files): New function, to be used by the above.
(project--find-regexp-in-files):
Silence warnings about nonexistent files.
The last change to forward-button added support for help-echo values
that are functions. This patch fixes the arguments passed to such
functions and further adds support for help-echo values that are
forms (bug#37515).
* doc/lispref/display.texi (Button Properties): Fix description of
help-echo button property.
* lisp/button.el (button--help-echo): New function.
(forward-button): Use it.
(backward-button): Clarify help-echo reference in docstring.
* test/lisp/button-tests.el (button--help-echo-string)
(button--help-echo-form, button--help-echo-function): New tests.
* lisp/button.el: Use lexical-binding. Expand Keywords header.
Quote function symbols as such. Use ;;;-comments where appropriate.
(button): Remove outdated commentary of defface.
(define-button-type, make-button, insert-button, make-text-button)
(insert-text-button): Clarify in docstring that PROPERTIES argument
is a plist.
(button-type-subtype-p, button-has-type-p): Do not overspecify
return value in docstring.
(button-put): Fix typo in commentary.
* lisp/emacs-lisp/bytecomp.el (emacs-lisp-compilation-mode-map):
No need to use set-keymap-parent here; `define-derived-mode' will
do that automatically.