| Age | Commit message (Collapse) | Author |
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In order to fix one of the issues discussed in bug#61413, i.e.
'buttonize' clobbering the help-echo property set by
'icon-string'.
This is a reasonable interpretation of the button.el
docstrings - "if HELP-ECHO, use that as the `help-echo'
property"; conversely, if not HELP-ECHO, then do not do
anything, preserving existing values for that property.
* lisp/button.el (button--properties): Only add a help-echo
property if HELP-ECHO is non-nil. Add an additional property
for bookkeeping.
(unbuttonize-region): Check for that bookkeeping property
before clearing help-echo.
* test/lisp/button-tests.el (button--preserve-help-echo):
Validate these changes.
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Run "TZ=UTC0 admin/update-copyright".
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* lisp/button.el (default-button):
* lisp/calendar/holidays.el (holiday-solar-holidays)
(holiday-bahai-holidays, holiday-islamic-holidays)
(holiday-christian-holidays, holiday-hebrew-holidays)
(holiday-oriental-holidays, holiday-general-holidays):
* lisp/comint.el (comint-file-name-prefix):
* lisp/composite.el (unicode-category-table):
* lisp/cus-face.el (custom-declare-face):
* lisp/custom.el (custom-add-load, custom-add-package-version)
(custom-add-version, custom-add-link, custom-declare-group)
(custom-declare-variable):
* lisp/dired.el (dired-listing-switches):
* lisp/epa-hook.el (epa-file-name-regexp):
* lisp/faces.el (x-font-regexp, x-font-regexp-head)
(x-font-regexp-slant, x-font-regexp-weight, )
(set-face-attribute, set-face-documentation, face-x-resources)
(face-font-registry-alternatives, face-font-family-alternatives)
(term-file-prefix):
* lisp/find-file.el (ff-special-constructs):
* lisp/format.el (format-alist):
* lisp/help.el (help-for-help):
* lisp/image-file.el (image-file-name-extensions):
* lisp/info.el:
* lisp/isearch.el (isearch-help-for-help-internal)
(search-whitespace-regexp):
* lisp/jka-cmpr-hook.el (jka-compr-load-suffixes)
(jka-compr-mode-alist-additions)
(jka-compr-compression-info-list, jka-compr-build-file-regexp):
* lisp/language/ethiopic.el (font-ccl-encoder-alist):
* lisp/language/korea-util.el (default-korean-keyboard):
* lisp/language/tibetan.el (tibetan-precomposition-rule-regexp)
(tibetan-precomposed-regexp):
* lisp/locate.el (locate-ls-subdir-switches):
* lisp/lpr.el (lpr-command):
* lisp/mail/rmail.el (rmail-secondary-file-regexp)
(rmail-secondary-file-directory, rmail-highlighted-headers)
(rmail-ignored-headers, rmail-spool-directory, rmail-file-name):
* lisp/mail/sendmail.el (mail-default-directory)
(mail-signature-file, mail-citation-prefix-regexp)
(mail-personal-alias-file, mail-header-separator):
* lisp/menu-bar.el (yank-menu):
* lisp/net/eudc.el (eudc-tools-menu):
* lisp/newcomment.el (comment-padding, comment-end):
* lisp/obsolete/autoload.el (autoload-generate-file-autoloads):
* lisp/progmodes/hideshow.el (hs-special-modes-alist):
* lisp/ps-print.el (ps-page-dimensions-database):
* lisp/rfn-eshadow.el (file-name-shadow-tty-properties):
* lisp/shell.el (shell-dumb-shell-regexp):
* lisp/simple.el (overwrite-mode-binary, overwrite-mode-textual)
(mark-inactive, shell-command-switch)
(next-error-overlay-arrow-position):
* lisp/subr.el (package--builtin-versions, eval-after-load):
* lisp/tab-bar.el ([tab-bar]):
* lisp/term/pgtk-win.el (x-gtk-stock-map):
* lisp/term/x-win.el (x-gtk-stock-map):
* lisp/tool-bar.el ([tool-bar]):
* lisp/widget.el (define-widget): Remove calls to purecopy.
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* lisp/button.el (button-mode): Remove all buttons when disabling.
* doc/lispref/display.texi (Button Buffer Commands): Document
the change. (Bug#73175)
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* doc/lispref/display.texi (Making Buttons): Document it.
* lisp/button.el (unbuttonize-region): New function, removes all
buttons in the specified region.
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dc4e6b13296 ; Update copyright years in more files
64b37776318 ; Run set-copyright from admin.el
8e1c56ae467 ; Add 2024 to copyright years
# Conflicts:
# doc/misc/modus-themes.org
# doc/misc/texinfo.tex
# etc/NEWS
# etc/refcards/ru-refcard.tex
# etc/themes/modus-operandi-theme.el
# etc/themes/modus-themes.el
# etc/themes/modus-vivendi-theme.el
# lib/alloca.in.h
# lib/binary-io.h
# lib/c-ctype.h
# lib/c-strcasecmp.c
# lib/c-strncasecmp.c
# lib/careadlinkat.c
# lib/cloexec.c
# lib/close-stream.c
# lib/diffseq.h
# lib/dup2.c
# lib/filemode.h
# lib/fpending.c
# lib/fpending.h
# lib/fsusage.c
# lib/getgroups.c
# lib/getloadavg.c
# lib/gettext.h
# lib/gettime.c
# lib/gettimeofday.c
# lib/group-member.c
# lib/malloc.c
# lib/md5-stream.c
# lib/md5.c
# lib/md5.h
# lib/memmem.c
# lib/memrchr.c
# lib/nanosleep.c
# lib/save-cwd.h
# lib/sha1.c
# lib/sig2str.c
# lib/stdlib.in.h
# lib/strtoimax.c
# lib/strtol.c
# lib/strtoll.c
# lib/time_r.c
# lib/xalloc-oversized.h
# lisp/auth-source-pass.el
# lisp/emacs-lisp/lisp-mnt.el
# lisp/emacs-lisp/timer.el
# lisp/info-look.el
# lisp/jit-lock.el
# lisp/loadhist.el
# lisp/mail/rmail.el
# lisp/net/ntlm.el
# lisp/net/webjump.el
# lisp/progmodes/asm-mode.el
# lisp/progmodes/project.el
# lisp/progmodes/sh-script.el
# lisp/textmodes/flyspell.el
# lisp/textmodes/reftex-toc.el
# lisp/textmodes/reftex.el
# lisp/textmodes/tex-mode.el
# lisp/url/url-gw.el
# m4/alloca.m4
# m4/clock_time.m4
# m4/d-type.m4
# m4/dirent_h.m4
# m4/dup2.m4
# m4/euidaccess.m4
# m4/fchmodat.m4
# m4/filemode.m4
# m4/fsusage.m4
# m4/getgroups.m4
# m4/getloadavg.m4
# m4/getrandom.m4
# m4/gettime.m4
# m4/gettimeofday.m4
# m4/gnulib-common.m4
# m4/group-member.m4
# m4/inttypes.m4
# m4/malloc.m4
# m4/manywarnings.m4
# m4/mempcpy.m4
# m4/memrchr.m4
# m4/mkostemp.m4
# m4/mktime.m4
# m4/nproc.m4
# m4/nstrftime.m4
# m4/pathmax.m4
# m4/pipe2.m4
# m4/pselect.m4
# m4/pthread_sigmask.m4
# m4/readlink.m4
# m4/realloc.m4
# m4/sig2str.m4
# m4/ssize_t.m4
# m4/stat-time.m4
# m4/stddef_h.m4
# m4/stdint.m4
# m4/stdio_h.m4
# m4/stdlib_h.m4
# m4/stpcpy.m4
# m4/strnlen.m4
# m4/strtoimax.m4
# m4/strtoll.m4
# m4/time_h.m4
# m4/timegm.m4
# m4/timer_time.m4
# m4/timespec.m4
# m4/unistd_h.m4
# m4/warnings.m4
# nt/configure.bat
# nt/preprep.c
# test/lisp/register-tests.el
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* doc/lispref/commands.texi (Touchscreen Events): Relate new
THRESHOLD argument to touch-screen-track-tap.
* lisp/button.el (push-button):
* lisp/wid-edit.el (widget-button--check-and-call-button):
Provide a threshold to enable canceling button presses.
* lisp/touch-screen.el (touch-screen-track-tap): Enable
canceling tap gestures and resuming touch sequence translation
if the touch point exceeds a set threshold.
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* lisp/button.el (push-button): Don't assume the event is
a list, it may be a single key. (Bug#65539)
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Currently, in *Backtrace* we have a nice behavior for cl-printed objects
where they're truncated by default to a manageable size but we can click
on the "..." to expand them when needed.
The patch below moves that functionality to `cl-print.el` such
that it can be enjoyed "everywhere" (bug#64536). It also has the
benefit of simplifying the code since `backtrace.el` had to look for
ellipses in order to add buttons to them, whereas now we can put
the ellipses right when we write them.
* lisp/emacs-lisp/cl-print.el (cl-print-object-contents): Improve docstring.
(cl-print-expand-ellipsis-function): New var.
(cl-print--default-expand-ellipsis): New function.
(cl-print-expand-ellipsis): New command.
(cl-print-insert-ellipsis): Allow nil instead of 0 to mean "this elides
the whole object".
(cl-print-ellipsis): Move button type from `backtrace.el`.
(cl-print-propertize-ellipsis): Put a button.
(cl-print--expand-ellipsis): Rename from `cl-print-expand-ellipsis`.
(cl-print-to-string-with-limit): Allow new value t for `limit`.
* lisp/emacs-lisp/backtrace.el (backtrace--font-lock-keywords): Simplify.
(backtrace--match-ellipsis-in-string): Delete function.
(backtrace--change-button-skip): Adjust to new button type name.
(backtrace--expand-ellipsis): New function, extracted from
`backtrace-expand-ellipsis`.
(backtrace-expand-ellipsis): Delete function.
(backtrace-ellipsis): Move button type to `cl-print.el`.
(backtrace--print-to-string): Don't look for cl-print ellipses any more.
(backtrace-mode): Use `backtrace--expand-ellipsis`.
* lisp/ielm.el (ielm--expand-ellipsis): New function.
(inferior-emacs-lisp-mode): Use it to fill the data when expanded.
* test/lisp/emacs-lisp/cl-print-tests.el
(cl-print-tests-check-ellipsis-expansion)
(cl-print-tests-check-ellipsis-expansion-rx): Adjust to new internal
function name.
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* .gitignore: Add new files.
* INSTALL.android: Explain how to build Emacs for ancient
versions of Android.
* admin/merge-gnulib (GNULIB_MODULES): Add getdelim.
* build-aux/config.guess (timestamp, version):
* build-aux/config.sub (timestamp, version): Autoupdate.
* configure.ac (BUILD_DETAILS, ANDROID_MIN_SDK):
(ANDROID_STUBIFY): Allow specifying CFLAGS via ANDROID_CFLAGS.
Add new configure tests for Android API version when not
explicitly specified.
* doc/emacs/android.texi (Android): Add reference to ``Other
Input Devices''.
(Android File System): Remove restrictions on directory-files on
the assets directory.
* doc/emacs/emacs.texi (Top): Add Other Input Devices to menu.
* doc/emacs/input.texi (Other Input Devices): New node.
* doc/lispref/commands.texi (Touchscreen Events): Document
changes to touchscreen input events.
* doc/lispref/frames.texi (Pop-Up Menus): Likewise.
* etc/NEWS: Announce changes.
* java/Makefile.in: Use lib-src/asset-directory-tool to generate
an `directory-tree' file placed in /assets.
* java/debug.sh: Large adjustments to support Android 2.2 and
later.
* java/org/gnu/emacs/EmacsContextMenu.java (inflateMenuItems):
* java/org/gnu/emacs/EmacsCopyArea.java (perform):
* java/org/gnu/emacs/EmacsDialog.java (toAlertDialog):
* java/org/gnu/emacs/EmacsDrawLine.java (perform):
* java/org/gnu/emacs/EmacsDrawRectangle.java (perform):
* java/org/gnu/emacs/EmacsDrawable.java (EmacsDrawable):
* java/org/gnu/emacs/EmacsFillPolygon.java (perform):
* java/org/gnu/emacs/EmacsFillRectangle.java (perform):
* java/org/gnu/emacs/EmacsGC.java (EmacsGC):
* java/org/gnu/emacs/EmacsPixmap.java (EmacsPixmap):
(destroyHandle):
* java/org/gnu/emacs/EmacsSdk7FontDriver.java (draw): Avoid
redundant canvas saves and restores.
* java/org/gnu/emacs/EmacsService.java (run):
* java/org/gnu/emacs/EmacsView.java (EmacsView):
(handleDirtyBitmap):
* java/org/gnu/emacs/EmacsWindow.java (changeWindowBackground)
(EmacsWindow): Make compatible with Android 2.2 and later.
* lib-src/Makefile.in (DONT_INSTALL): Add asset-directory-tool
on Android.:(asset-directory-tool{EXEEXT}): New target.
* lib-src/asset-directory-tool.c (struct directory_tree, xmalloc)
(main_1, main_2, main): New file.
* lib, m4: Merge from gnulib. This will be reverted before
merging to master.
* lisp/button.el (button-map):
(push-button):
* lisp/frame.el (display-popup-menus-p): Improve touchscreen
support.
* lisp/subr.el (event-start):
(event-end): Handle touchscreen events.
* lisp/touch-screen.el (touch-screen-handle-timeout):
(touch-screen-handle-point-update):
(touch-screen-handle-point-up):
(touch-screen-track-tap):
(touch-screen-track-drag):
(touch-screen-drag-mode-line-1):
(touch-screen-drag-mode-line): New functions.
([mode-line touchscreen-begin]):
([bottom-divider touchscreen-begin]): Bind new events.
* lisp/wid-edit.el (widget-event-point):
(widget-keymap):
(widget-event-start):
(widget-button--check-and-call-button):
(widget-button-click): Improve touchscreen support.
* src/alloc.c (make_lisp_symbol): Avoid ICE on Android NDK GCC.
(mark_pinned_symbols): Likewise.
* src/android.c (struct android_emacs_window): New struct.
(window_class): New variable.
(android_run_select_thread): Add workaround for Android platform
bug.
(android_extract_long, android_scan_directory_tree): New
functions.
(android_file_access_p): Use those functions instead.
(android_init_emacs_window): New function.
(android_init_emacs_gc_class): Update signature of `markDirty'.
(android_change_gc, android_set_clip_rectangles): Tell the GC
whether or not clip rects were dirtied.
(android_swap_buffers): Do not look up method every time.
(struct android_dir): Adjust for new directory tree lookup.
(android_opendir, android_readdir, android_closedir): Likewise.
(android_four_corners_bilinear): Fix coding style.
(android_ftruncate): New function.
* src/android.h: Update prototypes. Replace ftruncate with
android_ftruncate when necessary.
* src/androidterm.c (handle_one_android_event): Pacify GCC. Fix
touch screen tool bar bug.
* src/emacs.c (using_utf8): Fix compilation error.
* src/fileio.c (Ffile_system_info): Return Qnil when fsusage.o
is not built.
* src/filelock.c (BOOT_TIME_FILE): Fix definition for Android.
* src/frame.c (Fx_parse_geometry): Fix uninitialized variable
uses.
* src/keyboard.c (lispy_function_keys): Fix `back'.
* src/menu.c (x_popup_menu_1): Handle touch screen events.
(Fx_popup_menu): Document changes.
* src/sfnt.c (main): Improve tests.
* src/sfntfont-android.c (sfntfont_android_put_glyphs): Fix
minor problem.
(init_sfntfont_android): Check for
HAVE_DECL_ANDROID_GET_DEVICE_API_LEVEL.
* src/sfntfont.c (struct sfnt_font_desc): New fields `adstyle'
and `languages'.
(sfnt_parse_style): Append tokens to adstyle.
(sfnt_parse_languages): New function.
(sfnt_enum_font_1): Parse supported languages and adstyle.
(sfntfont_list_1): Handle new fields.
(sfntfont_text_extents): Fix uninitialized variable use.
(syms_of_sfntfont, mark_sfntfont): Adjust accordingly.
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* doc/emacs/custom.texi (Specific Customization): Mention it.
* doc/emacs/display.texi (Icons): New node.
* doc/lispref/display.texi (Icons): New node.
* lisp/button.el (buttonize):
(button--properties, buttonize-region): Allow not overriding faces.
* lisp/cus-edit.el (custom-save-all): Save icons.
(custom-icon): New widget.
(custom-icon-value-create, custom-toggle-hide-icon)
(custom--icons-widget-value, custom-icon-set): Helper functions
for the widget.
(customize-icon): Main command.
(custom-icon-state-set, custom-icon-state): Helper functions.
(custom-theme-set-icons): Function to be used by theme writers.
(custom-set-icons): Function to be used in .emacs.
(custom-save-icons): New function.
* lisp/custom.el (custom-push-theme): Add icons.
* lisp/emacs-lisp/icons.el: New file.
* test/lisp/emacs-lisp/icons-tests.el: Add some tests.
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* lisp/button.el (button-buffer-map): Fix error in map rewriting
in previous commit.
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* lisp/button.el (buttonize-region, buttonize): Crosslink doc
strings for discoverability.
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* lisp/button.el (button-map): Inherit from 'button-buffer-map'.
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* lisp/button.el (buttonize-region): New function.
(button--properties): Factored out.
(buttonize): Use it.
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836be7a112 ; * etc/refcards/ru-refcard.tex: Update Copyright year.
86cbc6ee4a * lisp/net/tramp-sh.el: Adapt copyright year
ebe8772f65 ; Minor fixes related to copyright years
23c1ee6989 ; * test/manual/etags/ETAGS.good_N: Adjust to copyright ye...
8d3fc7ec89 * src/xfaces.c (face_for_font): Make 'hash' be uintptr_t.
19dcb237b5 ; Add 2022 to copyright years.
# Conflicts:
# etc/NEWS
# etc/refcards/ru-refcard.tex
# lib/cdefs.h
# lisp/erc/erc-dcc.el
# lisp/erc/erc-imenu.el
# lisp/erc/erc-replace.el
# lisp/image-dired.el
# lisp/progmodes/xref.el
# m4/alloca.m4
# m4/byteswap.m4
# m4/errno_h.m4
# m4/getopt.m4
# m4/gnulib-common.m4
# m4/inttypes.m4
# m4/stddef_h.m4
# m4/stdint.m4
# m4/sys_socket_h.m4
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* etc/NEWS: Mention the new variable.
* lisp/apropos.el (apropos-describe-plist): Bind the new
variable (bug#52053).
* lisp/button.el (button-describe): Bind the new variable.
* lisp/help-fns.el (describe-function, describe-variable)
(describe-face, describe-symbol, describe-syntax)
(describe-categories, describe-keymap, describe-mode)
(describe-widget): Bind the new variable.
* lisp/help-macro.el (make-help-screen): Bind the new variable.
* lisp/help.el (help-buffer-under-preparation): New variable
that is bound to t by commands that create a *Help* buffer.
(substitute-command-keys): Use the new variable:
help-link-key-to-documentation is supposed to have an effect
only "in *Help* buffers". Fixes bug#52053.
(view-lossage, describe-bindings, describe-key): Bind the new
variable.
* lisp/repeat.el (describe-repeat-maps): Bind the new variable.
* lisp/international/mule-cmds.el (describe-input-method)
(describe-language-environment): Bind the new variable.
* lisp/international/mule-diag.el (describe-character-set)
(describe-coding-system, describe-font, describe-fontset)
((list-fontsets): Bind the new variable.
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* lisp/button.el (buttonize): Add a help-echo property.
* lisp/help.el (help--describe-command): Say what the
lambda/closure buttons do.
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* lisp/button.el (buttonize): Add the highlight mouse-face.
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* lisp/help.el (help--describe-command):
* lisp/emacs-lisp/memory-report.el (memory-report--buffers):
* lisp/button.el (button-buttonize):
* doc/lispref/display.texi (Making Buttons): Rename
button-buttonize to just buttonize and adjust callers.
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* lisp/abbrev.el (define-abbrev):
(define-abbrev-table): Mark all functions that have names that
start with "def" that should indent according to the current
heuristics (bug#43329).
* lisp/autoinsert.el (define-auto-insert):
* lisp/button.el (define-button-type):
* lisp/subr.el (define-key-after):
(define-mail-user-agent):
(define-keymap):
* lisp/widget.el (define-widget):
* lisp/emacs-lisp/package.el (define-package):
* lisp/international/mule-cmds.el (define-char-code-property):
* lisp/international/mule.el (define-charset):
(define-coding-system):
(define-translation-table):
(define-translation-hash-table):
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Run "TZ=UTC0 admin/update-copyright".
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* lisp/button.el (button-buttonize): Clarify what happens when
DATA isn't present.
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* doc/lispref/display.texi (Manipulating Buttons): Document it.
* lisp/button.el (button-buttonize): Implement it.
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* lisp/button.el (button--help-echo): Pass resulting string through
substitute-command-keys for consistency with show-help-function.
* test/lisp/button-tests.el (button-tests--map): New test keymap.
(button--help-echo-string, button--help-echo-form)
(button--help-echo-function): Use it to test command key
substitution in help-echo strings (bug#43070).
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* lisp/button.el (button-mode): New minor mode.
* doc/lispref/display.texi (Button Buffer Commands): Mention it.
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* doc/emacs/help.texi (Key Help): Document button-describe and
widget-describe.
* lisp/button.el (push-button): Mention button-describe.
* lisp/cus-edit.el (Custom-newline): Mention widget-describe (bug#139).
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* lisp/help-fns.el (describe-widget-functions): New variable, used by
describe-widget.
(describe-widget): New command, to display information about a widget.
* lisp/button.el (button-describe): New command, for describing a button.
(button--describe): Helper function for button-describe.
* lisp/wid-edit.el (widget-describe): New command, for describing a
widget.
(widget--resolve-parent-action): Helper function, to allow
widget-describe to display more useful information (bug#139).
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* etc/NEWS: Mention this.
* lisp/apropos.el (apropos-library-button):
* lisp/ibuf-ext.el (ibuffer-old-saved-filters-warning):
There’s no longer a need copy make-text-button’s string arg.
* lisp/button.el (make-text-button): Return a copy of a string arg.
Delay making the copy until after error-checking.
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* lisp/button.el (make-text-button): Don’t make a copy of
a button’s string label. This reverts the change made in
2020-05-17T05:23:28Z!eggert@cs.ucla.edu, which broke SLY.
Problem reported by João Távora in:
https://lists.gnu.org/r/emacs-devel/2020-06/msg00117.html
However, we’ll need a better fix for this once string
literals become contents, if SLY uses string constants
for text button labels.
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* lisp/button.el (make-text-button): Use the copy of BEG
uniformly, instead of in just one place. This fixes a typo
introduced in 2020-05-17T05:23:28Z!eggert@cs.ucla.edu.
Problem reported by João Távora in:
https://lists.gnu.org/r/emacs-devel/2020-06/msg00117.html
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* lisp/bookmark.el (bookmark-bmenu-set-header):
Use copy-sequence instead of concat, for clarity.
Also, the byte-compiler optimizes (concat "a" "b") into "ab".
* lisp/button.el (make-text-button):
* test/lisp/erc/erc-track-tests.el (erc-track--erc-faces-in):
* test/lisp/password-cache-tests.el:
(password-cache-tests-add-and-remove)
(password-cache-tests-read-from-cache)
(password-cache-tests-in-cache-p, password-cache-tests-read)
(password-cache-tests-reset)
(password-cache-tests-add/expires-key)
(password-cache-tests-no-password-cache):
Don’t attempt to modify constant strings.
* lisp/progmodes/elisp-mode.el (elisp--xref-format)
(elisp--xref-format-extra):
Don’t attempt to modify constant strings via put-text-property.
* test/lisp/emacs-lisp/cl-macs-tests.el (cl-macs-loop-across-ref):
Don’t attempt to modify constant vectors or strings.
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* lisp/button.el (push-button): Use 'posn-point' instead of
'posn-string' if the string doesn't have the 'button'
property (Bug#40859).
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Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
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* lisp/button.el (button-start, button-end, button-get)
(button-put, button-label): Have the doc string mention that they
have to be called from the current buffer (bug#23909).
Copyright-paperwork-exempt: yes
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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.
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* 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.
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* lisp/button.el (forward-button): Support help-echo function.
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* doc/lispref/display.texi (Button Buffer Commands)
(Button Buffer Commands): Document this.
* lisp/button.el (backward-button, forward-button): Accept a
NO-ERROR parameter.
(button-activate): Make it possible to have specific data in the
callback action.
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