* lisp/help-fns.el (describe-function-1): Use new advice-* functions
rather than old ad-* functions. Fix function type description and
source links for advised functions and subrs.
* lisp/progmodes/ruby-mode.el (ruby-mode-syntax-table): Don't modify
syntax for `?'.
(ruby-expr-beg): Expect that `!' will have syntax class "symbol"
where appropriate already.
(ruby-syntax-propertize-function): Propertize `?' and `!' at the
end of method names.
(isearch-mode): Set it to the initial value of `overriding-terminal-local-map'.
(isearch-pre-command-hook): Compare `overriding-terminal-local-map'
with `isearch--saved-overriding-local-map'.
Fixes: debbugs:16035
* lisp/minibuffer.el (completion-table-with-cache): New function.
* lisp/progmodes/octave.el (inferior-octave-completion-table): Turn
back into function, use `completion-table-with-cache'. Update all
references.
Fixes: debbugs:11906
* net/eww.el (eww-current-source): New variable to store page
source.
(eww-display-html, eww-mode, eww-save-history)
(eww-restore-history): Use it.
(eww-view-source): New command to view page source.
Opportunistically uses `html-mode' to highlight the buffer.
(eww-mode-map): Install it.
* lisp/vc/log-edit.el (log-edit-add-new-comment): Rename to
`log-edit-remember-comment', make argument optional. Adjust all
callers.
(log-edit-mode): Add `log-edit-remember-comment' to
`kill-buffer-hook' locally.
(log-edit-kill-buffer): Don't remember comment explicitly since
the buffer is killed anyway.
in add-hook and remove-hook for multi-buffer search.
* doc/lispref/searching.texi (Search and Replace): Fix `unread-command-events'
and add ref.
Fixes: debbugs:16035
* 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.
(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.
* 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.
