Change logb to return -infinity, +infinity, and NaN respectively.
Formerly logb returned an extreme fixnum to represent
infinity, but this is no longer the right thing to do now that
we have bignums and there is no extreme integer.
* doc/lispref/numbers.texi (Float Basics), etc/NEWS: Document.
* src/floatfns.c (Flogb): Implement this.
Update some other copyright years automatically, by running:
Run 'UPDATE_COPYRIGHT_YEAR=2019 \
UPDATE_COPYRIGHT_USE_INTERVALS=1 \
UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79 admin/update-copyright'
followed by 'admin/merge-gnulib'.
* doc/misc/tramp.texi (Ad-hoc multi-hops): Remove superfluous
first entry about %h and %u. Describe, how to remove ad-hoc proxy
definitions.
(Cleanup remote connections): Mention, that also ad-hoc proxy
definitions are removed.
* etc/NEWS: Mention default host names in Tramp ad-hoc proxies.
* src/process.c (Fmake_process): Add new keyword argument
':file-handler'.
(syms_of_process) <make-process, :file-handler>: Define new symbols.
* lisp/files.el (file-name-non-special): Add support for
'make-process'.
* test/src/process-tests.el (make-process/file-handler/found)
(make-process/file-handler/not-found)
(make-process/file-handler/disable): New unit tests.
(process-tests--file-handler): New helper function.
* test/lisp/files-tests.el
(files-tests-file-name-non-special-make-process): New unit test.
* doc/lispref/files.texi (Magic File Names): Document that
'make-process' can invoke file name handlers.
* doc/lispref/processes.texi (Asynchronous Processes): Document
':file-handlers' argument to 'make-process'.
* etc/NEWS (Lisp Changes in Emacs 27.1): Mention new
:file-handler argument for 'make-process'.
(switch-to-buffer): Use it. (Bug#32790)
(switch-to-buffer-preserve-window-point): Mention it in docstring.
* lisp/windmove.el (windmove-display-in-direction): Mention it in docstring.
* doc/lispref/windows.texi (Switching Buffers):
Document switch-to-buffer-obey-display-actions.
(map--plist-p, map--plist-delete): New functions.
(map-elt, map-delete, map-length, map-into, map-put!, map-insert)
(map-apply, map-do): Handle the plist case.
* test/lisp/emacs-lisp/map-tests.el (with-maps-do): Add sample plist.
(test-map-put!): The behavior of map-put! is not the same for plists as
for alists.
(map-not-inplace, map-inplace): New errors.
(map-insert): New generic function.
(map-put!): Signal map-not-inplace rather than a generic 'error'.
(map-elt): Use map-not-inplace and map-insert to avoid hardcoding
a special case for lists.
* test/lisp/emacs-lisp/map-tests.el (test-map-put!): Rename from
test-map-put. Also test the errors signaled.
Make them document their delegation relationship, to clarify when
a method is needed.
(map--dispatch): Give more info in the error message.
(map-elt): Make it generic and deprecate the 'testfn' arg.
(map-put): Make it obsolete.
(map-length): Make it work on hash-tables.
(map-apply): Define it in terms of map-do.
(map-do, map-into): Use cl-generic dispatch instead of map--dispatch.
(map-empty-p): Define it in terms of map-length.
(map-contains-key): Deprecate 'testfn'. Make it return a boolean, so
it can return non-nil even if 'key' is nil. Improve implementation to
avoid constructing an intermediate list of all keys.
(map-merge-with): Use 'eql' rather than `eq'.
(map-put!): Rename from map--put and make it generic, to replace map-put.
(map--apply-alist, map--apply-hash-table, map--apply-array):
Turn them into methods of map-apply.
(map--do-alist, map--do-array): Turn them into methods of map-do.
(map--into-hash-table): Turn it into a method of map-into.
* lisp/international/mule-conf.el (ibm038): New charset.
(ebcdic-int, cp038): Alias charsets of ibm038.
* lisp/language/english.el (ibm038): New coding-system.
(ebcdic-int, cp038): Alias coding-systems of ibm038.
(Bug#33612)
* etc/NEWS: Announce the new coding system ibm038.
with shift-move related options extracted from `search-exit-option'.
(isearch-pre-command-hook): Rename search-exit-option to
isearch-yank-on-move in shift-move related places.
(isearch-post-command-hook): Check for isearch-pre-move-point
instead of search-exit-option. (Bug#15839)
* doc/emacs/search.texi (Not Exiting Isearch): Rename
search-exit-option to isearch-yank-on-move.
* lisp/menu-bar.el (menu-bar-i-search-menu): Add more isearch commands.
(isearch-pre-command-hook): Call isearch-pre-scroll-point unless
isearch-allow-scroll is 'unlimited'.
(isearch-post-command-hook): Use `when' instead of `cond'.
Call isearch-lazy-highlight-new-loop when isearch-allow-scroll is
'unlimited'. (Bug#15839)
* lib-src/emacsclient.c: Disable -Wformat-truncation=2,
to avoid false alarms about the new snprintf calls.
(local_sockname): New function.
(set_local_socket): Use it. Prefer XDG_RUNTIME_DIR (if set)
for location of socket directory. Avoid unnecessary memory
allocation by using snprintf to destination.
* lisp/server.el (server-socket-dir): Prefer XDG_RUNTIME_DIR if set.
* etc/NEWS (Search and Replace): Mention this change.
* lisp/isearch.el: Declare the new, non-autoloaded function
'tmm-menubar-keymap'.
(isearch-tmm-menubar): New function.
(isearch-menu-bar-commands): New variable.
(isearch-menu-bar-yank-map, isearch-menu-bar-map): New variables.
(isearch-mode-map): Define a menu-bar search menu and remap
'tmm-menubar' bindings to point to 'isearch-tmm-menubar'.
(isearch-tool-bar-old-map): New variable.
(isearch-tool-bar-image): New function.
(isearch-tool-bar-map): New variable.
(minor-mode-map-alist): Add an entry for Isearch so that
'isearch-menu-bar-map' shows during search.
(isearch-mode, isearch-done): Save and restore possible
buffer-local 'tool-bar-map' using 'isearch-tool-bar-old-map'.
(iseacrh-mouse-commands): New variable.
(isearch-mouse-leave-buffer): Allow commands in
isearch-mouse-commands.
(with-isearch-suspended): Only push changed states of Isearch
after running the body argument of this macro.
(isearch-pre-command-hook): Additionally allow bindings in
'isearch-tool-bar-map' to pass through, as well as commands
in isearch-menu-bar-commands.
(isearch-post-command-hook): Call 'force-mode-line-update' at its
end to make sure the menu- and tool-bars are up-to-date.
* lisp/tmm.el (tmm-menubar-keymap): New function factored out from
'tmm-menubar'.
(tmm-menubar): Use 'tmm-menubar-keymap'.
(tmm-prompt): New optional argument 'no-execute'.
* lisp/isearch.el (isearch-mode-map): Bind 'M-s M-<' to
'isearch-beginning-of-buffer' and 'isearch-end-of-buffer' to 'M-s M->'.
(isearch-beginning-of-buffer, isearch-end-of-buffer): New commands.
* lisp/windmove.el (windmove-left, windmove-up, windmove-right)
(windmove-down): Use prefix-numeric-value to support more prefix args
like 'C-u' and 'M--'. Doc fix.
* lisp/isearch.el (isearch-lazy-count): New defcustom.
(lazy-count): New defgroup.
(lazy-count-prefix-format, lazy-count-suffix-format): New defcustom.
(isearch-lazy-count-format): New function.
(isearch-message-prefix, isearch-message-suffix): Use it.
(isearch-lazy-highlight-window-start-changed)
(isearch-lazy-highlight-window-end-changed)
(isearch-lazy-count-current, isearch-lazy-count-total)
(isearch-lazy-count-hash): New variables.
(isearch-lazy-highlight-new-loop): Reset isearch-lazy-count-total
and update isearch-lazy-count-current for isearch-message.
(isearch-lazy-highlight-update): Run full-buffer loop for
isearch-lazy-count.
(isearch-lazy-highlight-buffer-update): Count isearch-lazy-count-total.
Set isearch-lazy-count-current at the end.
* etc/NEWS: Reword the recent entry regarding the change in
how relative file names are interpreted in $HOME.
* doc/emacs/cmdargs.texi (General Variables): Advise against
using relative directory names in $HOME.
* doc/emacs/cmdargs.texi (General Variables):
* doc/emacs/custom.texi (Find Init):
* doc/lispref/files.texi (File Name Expansion):
* etc/NEWS: Document behavior when HOME is a relative file name.
* lisp/vc/vc.el (vc-find-revision-no-save): New defcustom (bug#33319).
(vc-find-revision): Depending on vc-find-revision-no-save,
call either vc-find-revision-no-save or vc-find-revision-save.
(vc-find-revision-save): Rename from vc-find-revision.
(vc-find-revision-no-save): New function.
* lisp/vc/diff-mode.el (diff-find-source-location):
Let-bind vc-find-revision-no-save to t.
* lisp/vc/diff-mode.el (diff-vc-revisions): New defvar.
(diff-find-source-location): Call vc-find-revision for
non-nil values of 'other', diff-vc-backend, diff-vc-revisions.
* lisp/vc/vc.el (vc-diff-internal): Set buffer-local
diff-vc-revisions to the list of used revisions.
* doc/emacs/files.texi (Diff Mode): Update diff-goto-source
for VC-related prefix argument.
