Most of this change is to boilerplate commentary such as license URLs.
This change was prompted by ftp://ftp.gnu.org's going-away party,
planned for November. Change these FTP URLs to https://ftp.gnu.org
instead. Make similar changes for URLs to other organizations moving
away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and
fsf.org when this works, as this will further help defend against
man-in-the-middle attacks (for this part I omitted the MS-DOS and
MS-Windows sources and the test tarballs to keep the workload down).
HTTPS is not fully working to lists.gnu.org so I left those URLs alone
for now.
Add an option ediff-show-ancestor', to control if the ancestor buffer
must be shown in 3way merges (Bug#25493); set it non-nil by default.
Add a toggle to change this option interactively; the original
value of the option is restored on exit.
Update the window setup so that the ancestor buffer is
shown in 3way merges when ediff-show-ancestor is non-nil.
Any operation on ediff windows must take in account the
ancestor window as well, when this is shown.
* lisp/vc/ediff-init.el (ediff-show-ancestor): New option.
(ediff--show-ancestor-orig): New defvar.
* lisp/vc/ediff-wind.el (ediff-window-Ancestor): New defvar.
(ediff-setup-windows-plain-merge, ediff-setup-windows-multiframe-merge):
Display ancestor buffer if ediff-show-ancestor is non-nil.
(ediff-keep-window-config): Expect ancestor window in
ediff-window-config-saved.
(ediff-window-alist): Add entry for the ancestor window.
* lisp/vc/ediff-util.el (ediff-setup-control-buffer):
ediff-window-config-saved contains ancestor window.
(ediff-show-ancestor): Delete this command.
(ediff-setup-keymap): Bind ediff-toggle-show-ancestor to '/' for merge jobs.
(ediff-update-diffs): Compute new diffs using ancestor buffer in 3way merges;
don't cheat it to think that is performing a comparison, that trick is not
necessary anymore: simply call 'ediff-setup-diff-regions-function'
with file-A, file-B and the file ancestor.
(ediff-recenter): Update doc string. Consider the ancestor buffer.
(ediff--check-ancestor-exists): New defun.
(ediff-toggle-show-ancestor): New command; toggle ediff-show-ancestor.
(ediff--restore-options-on-exit): Restore ediff-show-ancestor on exit.
(ediff-scroll-vertically, ediff-scroll-horizontally)
(ediff-operate-on-windows): Consider the ancestor as well.
* lisp/vc/ediff-help.el (ediff-long-help-message-merge):
List ediff-toggle-show-ancestor.
* doc/misc/ediff.texi (Introduction, Quick Help Commands): Update manual.
; * etc/NEWS: Announce these changes.
This is possible when 'makeinfo --disable-encoding' is used
in Texinfo 5.
* lisp/calc/calc-help.el (calc-describe-thing):
* lisp/gnus/gnus-art.el (gnus-button-alist):
* lisp/info.el (Info-find-index-name):
* lisp/vc/ediff-help.el (ediff-help-for-quick-help):
Also support quotes 'like this'.
* lisp/calc/calc-help.el (calc-describe-thing): Simplify.
* lisp/finder.el (finder-font-lock-keywords): Remove var that
hasn't been used in years, instead of bothering to fix its quoting.
* lisp/calc/calc-help.el (calc-describe-thing):
* lisp/info.el (Info-find-index-name)
(Info-try-follow-nearest-node, Info-fontify-node):
* lisp/vc/ediff-help.el (ediff-help-for-quick-help):
In info files, process quotes ‘like this’ the same way we process
quotes `like this'. This catches a few places we missed earlier.
