* src/print.c: Include <c-ctype.h>, for c_isxdigit.
(print_object): When print-escape-multibyte is non-nil and a
multibyte character is followed by a newline or formfeed, followed
by a hex digit, don't output a needless "\ " before the hex digit.
* test/automated/print-tests.el (print-hex-backslash): New test.
* lisp/emacs-lisp/seq.el (seq-intersection, seq-difference): New
functions.
* test/automated/seq-tests.el: Add tests for seq-intersection and
seq-difference.
* doc/lispref/sequences.texi: Add documentation for seq-intersection
and seq-difference.
Works by giving citations and smileys a different syntax. This helps
modes like `show-paren-mode', `electric-pair-mode', and C-M-*
sexp-based movement.
* lisp/gnus/message.el (message--syntax-propertize): New function.
(message-mode): Set syntax-related vars.
(message-smileys): New variable.
* test/automated/message-mode-tests.el: New file
* src/w32.h (register_aux_fd): New function declaration.
* src/w32.c (register_aux_fd): New function.
* src/process.h (struct Lisp_Process): New member stderrproc.
* src/process.c (PIPECONN_P): New macro.
(PIPECONN1_P): New macro.
(Fdelete_process, Fprocess_status, Fset_process_buffer)
(Fset_process_filter, Fset_process_sentinel, Fstop_process)
(Fcontinue_process): Handle pipe process specially.
(create_process): Respect p->stderrproc.
(Fmake_pipe_process): New function.
(Fmake_process): Add new keyword argument :stderr.
(wait_reading_process_output): Specially handle a pipe process when
it gets an EOF.
(syms_of_process): Register Qpipe and Smake_pipe_process.
* doc/lispref/processes.texi (Asynchronous Processes): Document
`make-pipe-process' and `:stderr' keyword of `make-process'.
* lisp/subr.el (start-process): Suggest to use `make-process' handle
standard error separately.
* test/automated/process-tests.el (process-test-stderr-buffer)
(process-test-stderr-filter): New tests.
* etc/NEWS: Mention new process type `pipe' and its usage with the
`:stderr' keyword of `make-process'.
Fixes: debbugs:8531
* lisp/eshell/esh-arg.el (eshell-parse-argument-hook): Update comment.
(eshell-parse-backslash): Return escaped character after backslash
if it is special. Otherwise, if the backslash is not in a quoted
string, ignore the backslash and return the character after; if
the backslash is in a quoted string, return the backslash and the
character after.
* test/automated/eshell.el (eshell-test/escape-nonspecial)
(eshell-test/escape-nonspecial-unicode)
(eshell-test/escape-nonspecial-quoted)
(eshell-test/escape-special-quoted): Add tests for new
`eshell-parse-backslash' behavior.
* lisp/progmodes/python.el (python-docstring-at-p): Remove function.
(python-info-assignment-statement-p): New function.
(python-info-assignment-continuation-line-p): Use it.
(python-info-docstring-p): New function.
(python-font-lock-syntactic-face-function)
(python-fill-string): Use it.
* test/automated/python-tests.el (python-info-assignment-statement-p-1)
(python-info-assignment-statement-p-2)
(python-info-assignment-statement-p-3, python-info-docstring-p-1)
(python-info-docstring-p-2, python-info-docstring-p-3)
(python-info-docstring-p-4, python-info-docstring-p-5)
(python-info-docstring-p-6): New tests.
Fixes: debbugs:20084
* lisp/font-lock.el (font-lock--remove-face-from-text-property): New
function. Adapted from the previously commented out
remove-single-text-property.
Remove previously unused and commented out auxiliary function
remove-text-property and obsolete comment.
* lisp/comint.el (comint-output-filter): Use it to remove
comint-highlight-prompt.
(comint-snapshot-last-prompt, comint-output-filter): Use
font-lock-prepend-text-property for comint-highlight-prompt.
* test/automated/textprop-tests.el: New file.
(textprop-tests-font-lock--remove-face-from-text-property): New test.
Thus, the original face text property of a prompt "candidate" (the
last line of an output chunk not ending with a newline) is
preserved. This amends the fix for bug#14744.
* lisp/json.el (json-special-chars): Don't treat `/' specially, there's
no need to.
(json-encode-string): Only escape quotation mark, backslash and
the control characters U+0000 to U+001F.
Fixes: debbugs:20161
* textmodes/sgml-mode.el (sgml-attribute-offset): New defcustom.
(sgml-calculate-indent): Use `sgml-attribute-offset' for attribute
indentation.
* lisp/emacs-lisp/eieio-core.el (eieio--class): Change field names and order
to match those of cl--class; use cl--slot for both instance slots and
class slots.
(eieio--object-num-slots): Use cl-struct-slot-info.
(eieio--object-class): Rename from eieio--object-class-object.
(eieio--object-class-name): Remove.
(eieio-defclass-internal): Adjust to new slot representation.
Store doc in class rather than in `variable-documentation'.
(eieio--perform-slot-validation-for-default): Change API to take
a slot object.
(eieio--slot-override): New function.
(eieio--add-new-slot): Rewrite.
(eieio-copy-parents-into-subclass): Rewrite.
(eieio--validate-slot-value, eieio--validate-class-slot-value)
(eieio-oref-default, eieio-oset-default)
(eieio--class-slot-name-index, eieio-set-defaults): Adjust to new
slot representation.
(eieio--c3-merge-lists): Simplify.
(eieio--class/struct-parents): New function.
(eieio--class-precedence-bfs): Use it.
* lisp/emacs-lisp/eieio.el (with-slots): Use macroexp-let2.
(object-class-fast): Change recommend replacement.
(eieio-object-class): Rewrite.
(slot-exists-p): Adjust to new slot representation.
(initialize-instance): Adjust to new slot representation.
(object-write): Adjust to new slot representation.
* lisp/emacs-lisp/eieio-base.el (eieio-persistent-convert-list-to-object):
Manually map initargs to slot names.
(eieio-persistent-validate/fix-slot-value): Adjust to new
slot representation.
* lisp/emacs-lisp/eieio-compat.el (eieio--generic-static-symbol-specializers):
Extract from eieio--generic-static-symbol-generalizer.
(eieio--generic-static-symbol-generalizer): Use it.
* lisp/emacs-lisp/eieio-custom.el (eieio-object-value-create)
(eieio-object-value-get): Adjust to new slot representation.
* lisp/emacs-lisp/eieio-datadebug.el (data-debug/eieio-insert-slots):
Declare to silence warnings.
(data-debug-insert-object-button): Avoid `object-slots'.
(data-debug/eieio-insert-slots): Adjust to new slot representation.
* lisp/emacs-lisp/eieio-opt.el (eieio--help-print-slot): New function
extracted from eieio-help-class-slots.
(eieio-help-class-slots): Use it. Adjust to new slot representation.
* test/automated/eieio-test-methodinvoke.el (make-instance): Use new-style
`subclass' specializer for a change.
* test/automated/eieio-test-persist.el (persist-test-save-and-compare):
Adjust to new slot representation.
* test/automated/eieio-tests.el (eieio-test-17-virtual-slot): Don't use
initarg in `oset'.
(eieio-test-32-slot-attribute-override-2): Adjust to new
slot representation.
* lisp/emacs-lisp/cl-preloaded.el (cl--class): Fix type of `parents'.
Fixes: debbugs:20125
* test/automated/cl-lib-tests.el: Use lexical-binding.
(cl-lib-arglist-performance): Refine test to the case where one of the
fields has a non-nil default value. Use existing `mystruct' defstruct.
(cl-lib-struct-accessors): Use `pcase' to be a bit more flexible in the
accepted outputs.
Rework to avoid cl--do-arglist in more cases; add comments to explain what's
going on.
(cl--do-&aux): New function extracted from cl--do-arglist.
(cl--do-arglist): Use it.
* lisp/emacs-lisp/cl-generic.el: Add Version: header, for ELPA purposes.
* lisp/progmodes/js.el (js-indent-first-init):
Rename from js-indent-first-initialiser, to avoid worrying about
American vs British spelling. All uses changed.
* test/indent/js-indent-init-t.js: Rename from
indent/js-indent-first-initialiser-t.js.
* test/indent/js-indent-init-dynamic.js: Rename from
test/indent/js-indent-first-initialiser-dynamic.js.
* lisp/progmodes/js.el (js--proper-indentation): Add new custom option
`js-indent-first-initialiser' and a function to utilize it,
`js--maybe-goto-declaration-keyword-end'.
* test/indent/js.js: Add local variables.
* test/indent/js-indent-first-initialiser-t.js: New test for
`js-indent-first-initialiser'.
* test/indent/js-indent-first-initialiser-dynamic.js: New test for
`js-indent-first-initialiser'.
* lisp/emacs-lisp/seq.el: Make seq-into a public function (replacing
seq--into)
* test/automated/seq-tests.el: Add tests for seq-into
* doc/lispref/sequences.texi: Add documentation for seq-into