* lisp/format-spec.el (format-spec): Accept a function producing the
substitution for a character.
* doc/lispref/strings.texi (Custom Format Strings): Document the
above change.
* test/lisp/format-spec-tests.el (format-spec/function): New test.
Ref. https://lists.gnu.org/r/emacs-devel/2022-09/msg01875.html
d02c94090c Fix error reporting in process-async-https-with-delay
9a4862a973 * doc/misc/org.org: Remove spurious markup.
768ed1476a Make Tramp version check more robust
7f778c6943 Fix debugging with GDB when a breakpoint has multiple loca...
25e53e9391 ; * lisp/files.el (file-expand-wildcards): Doc fix.
3ea9357d10 Update documentation of 'aset' and 'store-substring'
# Conflicts:
# lisp/files.el
* doc/lispref/strings.texi (Modifying Strings): Adjust to
implementation changes: it is possible for the modified string to
have fewer or more bytes than the original. Add recommendations
regarding unibyte vs multibyte strings and characters. (Bug#55801)
1b8719835a Update to Org 9.5.4
92c5faafd7 Clarify documentation of 'string-to-unibyte'
2848512654 ; * lisp/files.el (find-file): Avoid too short lines in do...
672f9f787f Improve keystrokes in doc strings in some find-file functions
ef5651cc77 Fix segfaults when starting on 80x26 TTY frames
bfa647972f ; Fix doc string of 'delete-selection-repeat-replace-region'
a95d46e00f Make it explicit that a couple of _s in lispref are unders...
5c74c25123 Remove from FAQ the MS-Windows info about BDF fonts
edb48646f2 Fix Display Property manual example
f9ee83bfb9 do_switch_frame: before leaving mini-window, check other (...
908e2e09d0 Fix commands used to produce on-line HTML docs
fff770fb97 Fix a bad cross-reference in elisp.pdf
ebea3415b0 Fix documentation of 'string-pad'
* doc/lispref/strings.texi (Creating Strings): Move the
description of 'string-glyph-split' from here...
* doc/lispref/display.texi (Size of Displayed Text): ...to here.
* doc/lispref/display.texi (Size of Displayed Text):
* lisp/international/mule-util.el (truncate-string-to-width):
Document caveats of using 'truncate-string-to-width' when
character composition is involved.
* lisp/emacs-lisp/subr-x.el (string-limit):
* doc/lispref/strings.texi (Creating Strings): Improve the
documentation of 'string-limit'.
* doc/lispref/strings.texi (Custom Format Strings): Document it.
* lisp/format-spec.el (format-spec): Add an optional parameter to
return a list of strings (bug#33740).
* doc/lispref/strings.texi (Creating Strings): 'concat' does not
necessarily return a newly allocated string. This has been the case
at least since 1997 (Emacs 20.3).
* doc/lispref/strings.texi (Creating Strings): 'concat' does not
necessarily return a newly allocated string. This has been the case
at least since 1997 (Emacs 20.3).
* lisp/format-spec.el: Use lexical-binding. Remove dependence on
subr-x.el.
(format-spec-make): Clarify docstring.
(format-spec--parse-modifiers): Rename to...
(format-spec--parse-flags): ...this and simplify. In particular,
don't bother parsing :space-pad which is redundant and unused.
(format-spec--pad): Remove, replacing with...
(format-spec--do-flags): ...this new helper function which performs
more of format-spec's supported text manipulation.
(format-spec): Autoload. Allow optional argument to take on special
values 'ignore' and 'delete' for more control over what happens when
a replacement for a format specification isn't provided. Bring back
proper support for a precision modifier similar to that of 'format'.
* lisp/battery.el (battery-format): Rewrite in terms of format-spec.
(battery-echo-area-format, battery-mode-line-format): Mention
support of format-spec syntax in docstrings.
* doc/lispref/strings.texi (Custom Format Strings):
* etc/NEWS: Document and announce these changes.
* lisp/dired-aux.el (dired-do-compress-to):
* lisp/erc/erc-match.el (erc-log-matches):
* lisp/erc/erc.el (erc-update-mode-line-buffer):
* lisp/gnus/gnus-sieve.el (gnus-sieve-update):
* lisp/gnus/gssapi.el (open-gssapi-stream):
* lisp/gnus/mail-source.el (mail-source-fetch-file)
(mail-source-fetch-directory, mail-source-fetch-pop)
(mail-source-fetch-imap):
* lisp/gnus/message.el (message-insert-formatted-citation-line):
* lisp/image-dired.el:
* lisp/net/eww.el:
* lisp/net/imap.el (imap-kerberos4-open, imap-gssapi-open)
(imap-shell-open):
* lisp/net/network-stream.el (network-stream-open-shell):
* lisp/obsolete/tls.el (open-tls-stream):
* lisp/textmodes/tex-mode.el:
Remove extraneous loads and autoloads of format-spec now that it is
autoloaded and simplify its uses where possible.
* test/lisp/battery-tests.el (battery-format): Test new format-spec
support.
* test/lisp/format-spec-tests.el (test-format-spec): Rename to...
(format-spec) ...this, extending test cases.
(test-format-unknown): Rename to...
(format-spec-unknown): ...this, extending test cases.
(test-format-modifiers): Rename to...
(format-spec-flags): ...this.
(format-spec-make, format-spec-parse-flags, format-spec-do-flags)
(format-spec-do-flags-truncate, format-spec-do-flags-pad)
(format-spec-do-flags-chop, format-spec-do-flags-case): New tests.
* doc/lispref/text.texi (Interpolated Strings): Move from here...
* doc/lispref/strings.texi (Custom Format Strings): ...to here,
renaming the node and clarifying the documentation.
(Formatting Strings): End node with sentence referring to the next
one.
* lisp/format-spec.el (format-spec): Clarify docstring.
Inspired by patch proposed by Dmitry Gutov (Bug#40671#393)
and by further comments by him and by Michael Heerdegen
in the same bug report.
* doc/lispintro/emacs-lisp-intro.texi (setcar):
Don’t push mutability here.
* doc/lispref/eval.texi (Self-Evaluating Forms, Quoting)
(Backquote):
* doc/lispref/lists.texi (Modifying Lists):
* doc/lispref/objects.texi (Lisp Data Types, Mutability):
* doc/lispref/sequences.texi (Array Functions, Vectors):
* doc/lispref/strings.texi (String Basics, Modifying Strings):
Don’t use the word “constant” to describe all values that
a program should not change.
* doc/lispref/objects.texi (Mutability):
Rename from “Constants and Mutability”. All uses changed.
In a footnote, contrast the Emacs behavior with that of Common
Lisp, Python, etc. for clarity, and say the goal is to be nicer.
This change was inspired by comments from Štěpán Němec in:
https://lists.gnu.org/r/emacs-devel/2020-04/msg01063.html
* doc/lispref/objects.texi (Lisp Data Types): Mention mutability.
(Constants and mutability): New section.
* doc/lispintro/emacs-lisp-intro.texi (Lists diagrammed)
(Indent Tabs Mode): Improve wording.
* doc/lispref/eval.texi (Self-Evaluating Forms):
Say that they return constants.
* doc/lispref/lists.texi (Sets And Lists):
Fix memql mistake/confusion that I recently introduced.
