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* Revert "Signal an error for the regexp "[:alnum:]""Mattias Engdegård2020-02-271-5/+0
| | | | This reverts commit 8d5e8cddab732ac90e9ae930c63f7830f9dab24f.
* Revert "Don't complain about the regexp "[:-:]""Mattias Engdegård2020-02-271-2/+1
| | | | This reverts commit 3766bf728a43933083f4525970bcf9fdace3838d.
* Don't complain about the regexp "[:-:]"Mattias Engdegård2020-02-261-1/+2
| | | | | | | Suggested by Clément Pit-Claudel. * src/regex-emacs.c (regex_compile): * test/src/regex-emacs-tests.el (regexp-invalid): Tolerate ranges.
* Signal an error for the regexp "[:alnum:]"Mattias Engdegård2020-02-261-0/+5
| | | | | | | | | | Omitting the extra brackets is a common mistake; see discussion at https://lists.gnu.org/archive/html/emacs-devel/2020-02/msg00215.html * src/regex-emacs.c (reg_errcode_t, re_error_msgid): Add REG_ECLASSBR. (regex_compile): Check for the mistake. * test/src/regex-emacs-tests.el (regexp-invalid): Test. * etc/NEWS: Announce.
* Remove subsumed repetitions in regexpsMattias Engdegård2020-02-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make regexps smaller and faster by removing terms that are superfluous by virtue of standing next to another term that matches more. See https://lists.gnu.org/archive/html/emacs-devel/2020-01/msg00949.html for details. * lisp/bs.el (bs--make-header-match-string): * lisp/gnus/deuglify.el (gnus-outlook-repair-attribution-block): * lisp/gnus/message.el (message-subject-trailing-was-ask-regexp) (message-subject-trailing-was-regexp): * lisp/informat.el (Info-validate): * lisp/net/browse-url.el (browse-url-button-regexp): * lisp/net/rcirc.el (rcirc-url-regexp): * lisp/org/ob-core.el (org-babel-remove-result): * lisp/org/ob-fortran.el (org-babel-fortran-ensure-main-wrap): * lisp/org/org-capture.el (org-capture-set-target-location): * lisp/org/org-table.el (org-table-expand-lhs-ranges): * lisp/org/org.el (org-maybe-keyword-time-regexp, org-ts-regexp) (org-ts-regexp-inactive, org-ts-regexp-both): * lisp/play/gametree.el (gametree-hack-file-layout): * lisp/progmodes/cc-mode.el (c-Java-defun-prompt-regexp): * lisp/progmodes/idlw-shell.el (idlwave-shell-halting-error): * lisp/progmodes/ruby-mode.el (ruby-mode-set-encoding): * lisp/progmodes/verilog-mode.el (verilog-error-font-lock-keywords) (verilog-verilint-off, verilog-case-indent-level) (verilog-within-translate-off, verilog-start-translate-off) (verilog-back-to-start-translate-off, verilog-end-translate-off) (verilog-expand-dirnames): * lisp/term.el (term-control-seq-regexp): * lisp/textmodes/reftex-vars.el (featurep): * lisp/url/url-gw.el (url-open-telnet): * lisp/vc/ediff-ptch.el (ediff-context-diff-label-regexp): * lisp/vc/pcvs-parse.el (cvs-parse-status): * test/src/regex-emacs-tests.el (regex-tests-PCRE): Remove subsumed repetitions. * lisp/progmodes/sh-script.el (sh-syntax-propertize-function): Simplify repetition of a repetition.
* Remove (or double) redundant backslashes in string literalsMattias Engdegård2020-01-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | See discussion at https://lists.gnu.org/archive/html/emacs-devel/2020-01/msg00749.html . * lisp/obsolete/iswitchb.el (iswitchb-summaries-to-end): * test/src/regex-emacs-tests.el (regex-tests-BOOST-frob-escapes): * test/lisp/help-fns-tests.el (help-fns-test-lisp-macro) (help-fns-test-lisp-defun, help-fns-test-lisp-defsubst) (help-fns-test-alias-to-defun, help-fns-test-bug23887): Double backslashes for desired effect. * lisp/org/ol.el (org-link-escape): * lisp/net/nsm.el (nsm-protocol-check--rsa-kx) (nsm-protocol-check--anon-kx, nsm-protocol-check--sha1-sig): * lisp/obsolete/old-whitespace.el (whitespace-buffer): * lisp/obsolete/rcompile.el (remote-compile-run-before): * lisp/obsolete/vi.el (vi-end-of-blank-delimited-word): * lisp/obsolete/vip.el (vip-current-major-mode) (vip-paren-match, vip-switch-to-buffer) (vip-switch-to-buffer-other-window, vip-kill-buffer) (vip-get-ex-token, ex-edit): * lisp/org/org-element.el (org-element--cache-sync-requests): * lisp/org/org.el (org-sparse-tree): * lisp/textmodes/reftex.el (reftex-report-bug): * test/lisp/ibuffer-tests.el (ibuffer-save-filters): * test/lisp/international/ucs-normalize-tests.el (ucs-normalize-tests--insert-failing-lines): * test/lisp/simple-tests.el (undo-test-kill-c-a-then-undo): * test/lisp/textmodes/conf-mode-tests.el (conf-test-toml-mode): * test/src/regex-emacs-tests.el (regex-tests-compare): Remove redundant backslashes.
* Update copyright year to 2020Paul Eggert2020-01-011-1/+1
| | | | Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
* Correct regexp matching of raw bytesMattias Engdegård2019-06-281-0/+120
| | | | | | | | | | | | | | | | Make regexp matching of raw bytes work in all combination of unibyte and multibyte patterns and targets, as exact strings and in character alternatives (bug#3687). * src/regex-emacs.c (analyze_first): Include raw byte in fastmap when pattern is a multibyte exact string. Include leading byte in fastmap for raw bytes in character alternatives. (re_match_2_internal): Decrement the byte count by the number of bytes in the pattern character, not 1. * test/src/regex-emacs-tests.el (regexp-unibyte-unibyte) (regexp-multibyte-unibyte, regexp-unibyte-mutibyte) (regexp-multibyte-multibyte): New tests.
* More regexp corrections and tweaksPaul Eggert2019-03-101-1/+1
| | | | | | | | | | | | | | Problems reported by Mattias Engdegård in: https://lists.gnu.org/r/emacs-devel/2019-03/msg00247.html * lisp/align.el (align-rules-list): * lisp/comint.el (comint-output-filter): * lisp/language/china-util.el (encode-hz-region): * lisp/progmodes/cperl-mode.el (cperl-indent-exp): * lisp/progmodes/idlwave.el (idlwave-is-pointer-dereference): * lisp/progmodes/scheme.el (dsssl-font-lock-keywords): * lisp/textmodes/texinfmt.el (texinfo-accent-commands): * test/src/regex-emacs-tests.el (regex-tests-re-even-escapes): Fix some regular-expression typos.
* Document that [:cntrl:] does not match DEL (Bug#34391)Mattias Engdegård2019-02-101-3/+3
| | | | | | | | * doc/lispref/searching.texi (Character Classes): * lisp/emacs-lisp/rx.el (rx): Document that [:cntrl:] excludes DEL. * test/src/regex-emacs-tests.el (regex-tests-PTESTS-whitelist): Swap misplaced comments and fix wrong code for DEL.
* Merge from origin/emacs-26Paul Eggert2018-12-311-1/+1
| | | | | | 2fcf2df Fix copyright years by hand 26bed8b Update copyright year to 2019 2814292 Fix value of default frame height. (Bug#33921)
* Rename src/regex.c to src/regex-emacs.c.Paul Eggert2018-08-051-0/+686
This is in preparation for using Gnulib regex for etags, to avoid collisions in include directives. * src/regex-emacs.c: Rename from src/regex.c. * src/regex-emacs.h: Rename from src/regex.h. All uses changed. * test/src/regex-emacs-tests.el: Rename from test/src/regex-tests.el.