* window.c (Fset_window_new_pixel, grow_mini_window):
* xdisp.c (Fwindow_text_pixel_size):
Avoid undefined behavior on signed integer overflow.
* xfns.c (x_set_mouse_color):
Check that drag shape fits in 'unsigned', since that's what X wants.
* lisp/vc/log-edit.el (log-edit-set-header): Extract from
`log-edit-toggle-header'.
(log-edit-extract-headers): Separate the summary, when extracted
from header, from the rest of the message with an empty line.
* lisp/vc/vc-git.el (vc-git-log-edit-toggle-amend): Move the summary
line, if present, to the Summary header.
src/w32fns.c (my_exception_handler): New function.
(globals_of_w32fns): Set it up as the unhandled exception
handler. Initialize exception code and address to zeros.
(emacs_abort): If the exception code and address are available,
print them at the beginning of the backtrace. Fix the format of
printing addresses (was producing 0x0x12345678 on XP).
(debugger-mode-map): Bind it.
(debugger--backtrace-base): New function.
(debugger-eval-expression): Use it.
(debugger-frame-number): Skip local vars when present.
(debugger--locals-visible-p, debugger--insert-locals)
(debugger--show-locals, debugger--hide-locals): New functions.
* src/eval.c (Fbacktrace__locals): New function.
(syms_of_eval): Defsubr it.
* lisp/vc/log-edit.el (log-edit-kill-buffer): Move the use of
`save-selected-window' to `log-edit-hide-buf'. This makes
`log-edit-show-files' idempotent.
(log-edit-show-files): Mark the new window as dedicated.
* lisp/vc/log-edit.el (log-edit-mode-map): Add binding for
`log-edit-kill-biffer'.
(log-edit-hide-buf): Add a FIXME comment.
(log-edit-add-new-comment): New function, extracted from
`log-edit-done'.
(log-edit-done, log-edit-add-to-changelog): Use it.
(log-edit-kill-buffer): New command.
* vc/log-edit.el (log-edit-mode-map): Add binding for
`log-edit-kill-biffer'.
(log-edit-hide-buf): Add a FIXME comment.
(log-edit-add-new-comment): New function, extracted from
`log-edit-done'.
(log-edit-done, log-edit-add-to-changelog): Use it.
(log-edit-kill-buffer): New command.
* xterm.h (struct scroll_bar): Remove member `fringe_extended_p'.
* xterm.c (x_draw_fringe_bitmap, x_scroll_run): Remove code for
fringe background extension.
(x_scroll_bar_create): Remove variables `sb_left' and `sb_width',
because they are now always the same as `left' and `width',
respectively. Remove code for the case that `width' and
`sb_width' are different.
* net/shr.el (shr-tag-table): Fix comment typo.
* net/eww.el (eww-text-input-types): : New const.
(eww-process-text-input): Treat input types in
`eww-text-input-types' as text.
* net/shr.el (shr-tag-video): Display content for video if no
poster is available.
(shr-tag-audio): Add support for <audio> tag.
* net/eww.el (eww-use-external-browser-for-content-type): New
variable.
(eww-render): Handle `eww-use-external-browser-for-content-type'.
Use \\` to match beginning of string instead of ^.
(eww-browse-with-external-browser): Provide optional URL parameter.
(eww-render): Set `eww-current-title' back to "".
* net/shr.el (shr-prefer-media-type-alist): : New customizable
variable.
(shr--get-media-pref): New function.
(shr--extract-best-source): New function.
(shr-tag-video, shr-tag-audio): Use `shr--extract-best-source' when
no :src tag was specified.
* net/eww.el (eww-form-checkbox-selected-symbol): New
customizable variable.
(eww-form-checkbox-symbol): New customizable variable.
(eww-form-checkbox): Use `eww-form-checkbox-selected-symbol' and
`eww-form-checkbox-symbol'.
(eww-toggle-checkbox): Use `eww-form-checkbox-selected-symbol' and
`eww-form-checkbox-symbol'.
* net/shr.el (shr-prefer-media-type-alist): : New customizable
variable.
(shr--get-media-pref): New function.
(shr--extract-best-source): New function.
(shr-tag-video, shr-tag-audio): Use `shr--extract-best-source' when
no :src tag was specified.
* net/eww.el (eww-use-external-browser-for-content-type): New
variable.
(eww-render): Handle `eww-use-external-browser-for-content-type'.
Use \\` to match beginning of string instead of ^.
(eww-browse-with-external-browser): Provide optional URL parameter.
* .dir-locals.el: (log-edit-move): Add the "Author: " header.
* lisp/vc/log-edit.el (log-edit-mode-map): Add binding for
`log-edit-beginning-of-line'.
(log-edit-setup-add-author): New user option.
(log-edit-beginning-of-line): New command.
(log-edit): Move major mode call above the contents setup so that
the local variable values are already applied.
(log-edit): Only insert "Author: " when
`log-edit-setup-add-author' is non-nil.
(log-edit): When SETUP is non-nil, position point after ": "
instead of point-min.
