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* Regexps cannot infloop; fix manualMattias Engdegård2020-05-031-6/+4
| | | | | * doc/lispref/searching.texi (Regexp Special): Edit erroneous statements about infinite looping in regexps.
* Simplify rx example in manualMattias Engdegård2020-03-091-2/+2
| | | | | * doc/lispref/searching.texi (Rx Notation): Use the 'not' shorthand introduced in Emacs 27.
* rx: Improve 'or' compositionality (bug#37659)Mattias Engdegård2020-03-011-2/+3
| | | | | | | | | | | | | | | | | Perform 'regexp-opt' on nested 'or' forms, and after expansion of user-defined and 'eval' forms. Characters are now turned into strings for wider 'regexp-opt' scope. This preserves the longest-match semantics for string in 'or' forms over composition. * doc/lispref/searching.texi (Rx Constructs): Document. * lisp/emacs-lisp/rx.el (rx--normalise-or-arg) (rx--all-string-or-args): New. (rx--translate-or): Normalise arguments first, and check for strings in subforms. (rx--expand-eval): Extracted from rx--translate-eval. (rx--translate-eval): Call rx--expand-eval. * test/lisp/emacs-lisp/rx-tests.el (rx-or, rx-def-in-or): Add tests. * etc/NEWS: Announce.
* Warn about the likes of "[:alnum:]" in regexpsEli Zaretskii2020-02-221-2/+7
| | | | | | * doc/lispref/searching.texi (Char Classes): Warn about erroneous usage of named character classes. Suggested by Stephen Leake <stephen_leake@stephe-leake.org>.
* Remove the optional KEEP-ORDER argument to regexp-optMattias Engdegård2020-02-131-6/+3
| | | | | | | | | | | | | This argument was added for the 'or' clause in rx, but it turned out to be a bad idea (bug#37659), and there seems to be little other use for it. * lisp/emacs-lisp/regexp-opt.el (regexp-opt): Remove KEEP-ORDER. * doc/lispref/searching.texi (Regexp Functions): * etc/NEWS: Remove it from the documentation. * test/lisp/emacs-lisp/regexp-opt-tests.el (regexp-opt-test--match-all) (regexp-opt-test--check-perm, regexp-opt-test--explain-perm) (regexp-opt-keep-order, regexp-opt-longest-match): Simplify test.
* rx: Use longest match for all-string 'or' forms (bug#37659)Mattias Engdegård2020-02-121-1/+4
| | | | | | | | | | | | | | | | | Revert to the Emacs 26 semantics that always gave the longest match for rx 'or' forms with only string arguments. This guarantee was never well documented, but it is useful and people likely have come to rely on it. For example, prior to this change, (rx (or ">" ">=")) matched ">" even if the text contained ">=". * lisp/emacs-lisp/rx.el (rx--translate-or): Don't tell regexp-opt to preserve the matching order. * doc/lispref/searching.texi (Rx Constructs): Document the longest-match guarantee for all-string 'or' forms. * test/lisp/emacs-lisp/rx-tests.el (rx-or): Update test.
* Update copyright year to 2020Paul Eggert2020-01-011-1/+1
| | | | Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
* More precise 'regexp-opt' documentationMattias Engdegård2019-12-181-5/+5
| | | | | | | | * lisp/emacs-lisp/regexp-opt.el (regexp-opt): * doc/lispref/searching.texi (Regexp Functions): Be more specific about how the KEEP-ORDER argument actually works. If nil, the regexp guarantees a longest match; this is the behaviour that many callers implicitly rely on.
* Allow characters and single-char strings in rx charsetsMattias Engdegård2019-12-131-5/+6
| | | | | | | | | | | | | | | | The `not' and `intersection' forms, and `or' inside these forms, now accept characters and single-character strings as arguments. Previously, they had to be wrapped in `any' forms. This does not add expressive power but is a convenience and is easily understood. * doc/lispref/searching.texi (Rx Constructs): Amend the documentation. * etc/NEWS: Announce the change. * lisp/emacs-lisp/rx.el (rx--charset-p, rx--translate-not) (rx--charset-intervals, rx): Accept characters and 1-char strings in more places. * test/lisp/emacs-lisp/rx-tests.el (rx-not, rx-charset-or) (rx-def-in-charset-or, rx-intersection): Test the change.
* Use `or' instead of `union' for charset union in rxMattias Engdegård2019-12-121-11/+11
| | | | | | | | | | | | | | Design change suggested by Stefan Monnier. * doc/lispref/searching.texi (Rx Constructs): * etc/NEWS: Document. * lisp/emacs-lisp/rx.el (rx--translate-or): Detect charset arguments. (rx--charset-p): New. (rx--translate-not, rx--charset-intervals, rx--translate-union): Change from `union' to `or'. (rx--translate-form, rx--builtin-forms, rx): Remove `union'. * test/lisp/emacs-lisp/rx-tests.el (rx-union, rx-def-in-union) (rx-intersection): Rename tests and change `union' to `or' and `|'.
* ; Spelling fixesPaul Eggert2019-12-101-2/+2
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* Add `union' and `intersection' to rx (bug#37849)Mattias Engdegård2019-12-101-2/+12
| | | | | | | | | | | | | | | | | | | | | | These character set operations, together with `not' for set complement, improve the compositionality of rx, and reduce duplication in complicated cases. Named character classes are not permitted in set operations. * lisp/emacs-lisp/rx.el (rx--translate-any): Split into multiple functions. (rx--foldl, rx--parse-any, rx--generate-alt, rx--intervals-to-alt) (rx--complement-intervals, rx--intersect-intervals) (rx--union-intervals, rx--charset-intervals, rx--charset-union) (rx--charset-all, rx--charset-intersection, rx--translate-union) (rx--translate-intersection): New. (rx--translate-not, rx--translate-form, rx--builtin-forms, rx): Add `union' and `intersection'. * test/lisp/emacs-lisp/rx-tests.el (rx-union ,rx-def-in-union) (rx-intersection, rx-def-in-intersection): New tests. * doc/lispref/searching.texi (Rx Constructs): * etc/NEWS: Document `union' and `intersection'.
* Spelling fixesPaul Eggert2019-12-091-1/+1
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* Expand rx definitions inside (not ...)Mattias Engdegård2019-10-271-2/+2
| | | | | | | | | * lisp/emacs-lisp/rx.el (rx--translate-not): * test/lisp/emacs-lisp/rx-tests.el (rx-not, rx-def-in-not): * doc/lispref/searching.texi (Rx Constructs, Extending Rx): Allow user-defined rx constructs to be expanded inside (not ...) forms, for better composability (bug#37849).
* Add missing rx symbols `bow' and `eow' to documentationMattias Engdegård2019-10-201-2/+4
| | | | | * doc/lispref/searching.texi (Rx Constructs): * lisp/emacs-lisp/rx.el (rx): Add missing synonyms.
* Add `unmatchable' as alias for (or) in rx (bug#37659)Mattias Engdegård2019-10-181-0/+6
| | | | | | | | | * lisp/emacs-lisp/rx.el (rx--translate-symbol, rx--builtin-symbols, rx): * test/lisp/emacs-lisp/rx-tests.el (rx-atoms): * doc/lispref/searching.texi (Rx Constructs): * etc/NEWS: Add `unmatchable', more descriptive than (or), and corresponding to the variable `regexp-unmatchable'.
* Add `anychar' as alias to `anything' in rx (bug#37659)Mattias Engdegård2019-10-181-1/+2
| | | | | | | | | * lisp/emacs-lisp/rx.el (rx--translate-symbol, rx--builtin-symbols, rx): * test/lisp/emacs-lisp/rx-tests.el (rx-atoms): * doc/lispref/searching.texi (Rx Constructs): * etc/NEWS: Add `anychar', an alias for `anything'. Since `anychar' is more descriptive (and slightly shorter), treat it as the preferred name.
* Add rx extension mechanismMattias Engdegård2019-09-251-0/+157
| | | | | | | | | | | | | | | | | | Add a built-in set of extension macros: `rx-define', `rx-let' and `rx-let-eval'. * lisp/emacs-lisp/rx.el (rx-constituents, rx-to-string): Doc updates. (rx--builtin-symbols, rx--builtin-names, rx--local-definitions) (rx--lookup-def, rx--substitute, rx--expand-template) (rx--make-binding, rx--make-named-binding, rx--extend-local-defs) (rx-let-eval, rx-let, rx-define): New. (rx--translate-symbol, rx--translate-form): Use extensions if any. (rx): Use local definitions. * test/lisp/emacs-lisp/rx-tests.el (rx-let, rx-define) (rx-to-string-define, rx-let-define, rx-let-eval): New. * etc/NEWS (Changes in Specialized Modes and Packages): * doc/lispref/searching.texi (Rx Notation, Rx Functions, Extending Rx): Add node about rx extensions.
* New rx implementationMattias Engdegård2019-09-251-3/+1
| | | | | | | | | | | | * lisp/emacs-lisp/rx.el: * test/lisp/emacs-lisp/rx-tests.el: * doc/lispref/searching.texi (Rx Constructs): Rewrite rx for correctness, clarity, and performance. The new implementation retains full compatibility and has more comprehensive tests. * lisp/emacs-lisp/re-builder.el (reb-rx-font-lock-keywords): Adapt to changes in internal variables in rx.el.
* Allow regexp-quote to return its argumentMattias Engdegård2019-09-251-0/+3
| | | | | | * src/search.c (Fregexp_quote): Only allocate a new string if needed. * doc/lispref/searching.texi (Regexp Functions): * etc/NEWS (Incompatible Lisp Changes): Document.
* * doc/lispref/searching.texi (Rx Constructs): Fix typo.Mattias Engdegård2019-09-171-1/+1
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* ; * doc/lispref/searching.texi: Typo fixMattias Engdegård2019-08-051-2/+2
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* Add some indices for regexp character classesLars Ingebrigtsen2019-07-131-0/+4
| | | | | * doc/lispref/searching.texi (Char Classes): Add some concept index entries for a handful of character classes (bug#32430).
* Avoid makeinfo error "@code expected braces"Glenn Morris2019-07-071-1/+1
| | | | * doc/lispref/searching.texi (Rx Constructs): Fix for makeinfo 4.13.
* Describe the rx notation in the elisp manual (bug#36496)Mattias Engdegård2019-07-071-0/+573
| | | | | | | | | | | The additions are excluded from the print version to avoid making it thicker. * doc/lispref/elisp.texi (Top): New menu entry. * doc/lispref/searching.texi (Regular Expressions): New menu entry. (Regexp Example): Add rx form of the example. (Rx Notation, Rx Constructs, Rx Functions): New nodes. * doc/lispref/control.texi (pcase Macro): Describe the rx pattern.
* Document bug in `replace-regexp-in-string'Mattias Engdegård2019-06-261-2/+4
| | | | | | | | | | `replace-regexp-in-string' omits the first START characters of the input string in its return value. This is a clear bug, but fixing it probably causes more trouble; document the behaviour instead (bug#36372). * doc/lispref/searching.texi (Search and Replace) * lisp/subr.el (replace-regexp-in-string): Document current behaviour.
* Merge from origin/emacs-26Glenn Morris2019-06-151-2/+2
|\ | | | | | | | | | | | | | | | | f53ce87 ; ChangeLog.3 update eca2677 Fix description of 'display-buffer-in-previous-window' again ... 7be50cd Consistently use @minus{} for negative arguments # Conflicts: # ChangeLog.3
| * Consistently use @minus{} for negative argumentsEli Zaretskii2019-06-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | * doc/emacs/mark.texi (Marking Objects): * doc/misc/gnus.texi (Selecting a Group): * doc/emacs/programs.texi (Comment Commands): * doc/emacs/killing.texi (Deletion): * doc/emacs/display.texi (Recentering): * doc/lispref/display.texi (Face Attributes): * doc/lispref/searching.texi (String Search, Regexp Search): Make the markup of "-N" use @minus{} uniformly. (Bug#35885)
* | Add standard unmatchable regexpMattias Engdegård2019-05-151-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add `regexp-unmatchable' as a standard unmatchable regexp, defined as "\\`a\\`". Use it where such a regexp is needed, replacing slower expressions in several places. From a suggestion by Philippe Schnoebelen. * lisp/subr.el (regexp-unmatchable): New defconst. * etc/NEWS (Lisp Changes): Mention `regexp-unmatchable'. * doc/lispref/searching.texi (Regexp Functions): Document it. * lisp/emacs-lisp/regexp-opt.el (regexp-opt) * lisp/progmodes/cc-defs.el (cc-conditional-require-after-load) (c-make-keywords-re) * lisp/progmodes/cc-engine.el (c-beginning-of-statement-1) (c-forward-<>-arglist-recur, c-forward-decl-or-cast-1) (c-looking-at-decl-block) * lisp/progmodes/cc-fonts.el (c-doc-line-join-re) (c-doc-bright-comment-start-re) * lisp/progmodes/cc-langs.el (c-populate-syntax-table) (c-assignment-op-regexp) (c-block-comment-ender-regexp, c-font-lock-comment-end-skip) (c-block-comment-start-regexp, c-line-comment-start-regexp) (c-doc-comment-start-regexp, c-decl-start-colon-kwd-re) (c-type-decl-prefix-key, c-type-decl-operator-prefix-key) (c-pre-id-bracelist-key, c-enum-clause-introduction-re) (c-nonlabel-token-2-key) * lisp/progmodes/cc-mode.el (c-doc-fl-decl-start, c-doc-fl-decl-end) * lisp/progmodes/cc-vars.el (c-noise-macro-with-parens-name-re) (c-noise-macro-name-re, c-make-noise-macro-regexps) * lisp/progmodes/octave.el (octave-help-mode) * lisp/vc/vc-bzr.el (vc-bzr-log-view-mode, vc-bzr-revision-completion-table) * lisp/vc/vc-git.el (vc-git-log-view-mode) * lisp/vc/vc-hg.el (vc-hg-log-view-mode) * lisp/vc/vc-mtn.el (vc-mtn-log-view-mode): Use `regexp-unmatchable'. * lisp/textmodes/ispell.el (ispell-non-empty-string): Use `regexp-unmatchable', fixing a broken never-match regexp.
* | Improve regexp advice again, and unchain rangesPaul Eggert2019-04-021-20/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * doc/lispref/searching.texi (Regexp Special): Mention char classes earlier, in a more-logical place. Advise sticking to ASCII letters and digits in ranges. Reword negative advice to make it clearer that it’s negative. * lisp/files.el (make-auto-save-file-name): * lisp/gnus/message.el (message-mailer-swallows-blank-line): * lisp/gnus/nndoc.el (nndoc-lanl-gov-announce-type-p) (nndoc-generate-lanl-gov-head): * lisp/org/org-eshell.el (org-eshell-open): * lisp/org/org.el (org-deadline-time-hour-regexp) (org-scheduled-time-hour-regexp): * lisp/progmodes/bat-mode.el (bat-font-lock-keywords): * lisp/progmodes/bug-reference.el (bug-reference-bug-regexp): * lisp/textmodes/less-css-mode.el (less-css-font-lock-keywords): * lisp/vc/vc-cvs.el (vc-cvs-valid-symbolic-tag-name-p): * lisp/vc/vc-svn.el (vc-svn-valid-symbolic-tag-name-p): Avoid attempts to chain ranges, as this can be confusing. For example, instead of [0-9-_.], use [0-9_.-].
* | More regexp advice and clarificationsPaul Eggert2019-04-021-21/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | * doc/lispref/searching.texi (Regexp Special): Simplify style advice for order of ], ^, and - in character alternatives. Stick with saying that it’s not a good idea to put ‘-’ after a range. Remove the special case about raw 8-bit bytes and unibyte characters, as this documentation is confusing and seems to be incorrect in some cases. Say that z-a is the preferred style for reversed ranges, since it’s clearer and is typically what’s used in practice. Mention some bad styles: duplicates in character alternatives, ranges that denote <=3 characters, and ‘-’ as the first character.
* | Merge from origin/emacs-26Paul Eggert2019-04-011-18/+34
|\ \ | |/ | | | | | | | | | | 0924b27bca Say which regexp ranges should be avoided # Conflicts: # doc/lispref/searching.texi
| * Say which regexp ranges should be avoidedPaul Eggert2019-03-201-19/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | * doc/lispref/searching.texi (Regexp Special): Say that regular expressions like "[a-m-z]" and "[[:alpha:]-~]" should be avoided, for the same reason that regular expressions like "+" and "*" should be avoided: POSIX says their behavior is undefined, and they are confusing anyway. Also, explain better what happens when the bound of a range is a raw 8-bit byte; the old explanation appears to have been obsolete anyway. Finally, say that ranges like "[\u00FF-\xFF]" that mix non-ASCII characters and raw 8-bit bytes should be avoided, since it’s not clear what they should mean.
* | Fix typo in regexp-opt example codeMattias Engdegård2019-03-311-2/+2
| | | | | | | | | | * doc/lispref/searching.texi (Regexp Functions): Fix typo in example code (Bug#34596).
* | * doc: Recommend putting '-' as last char in Emacs charset regexpsStefan Monnier2019-03-211-7/+7
| | | | | | | | | | * doc/lispref/searching.texi (Regexp Special): * doc/emacs/search.texi (Regexps): Recommend - as last char in [...].
* | Rename regexp-opt argument noreorder to keep-orderMattias Engdegård2019-03-061-2/+2
| | | | | | | | | | | | | | * doc/lispref/searching.texi (Regular Expression Functions): * lisp/emacs-lisp/regexp-opt.el (regexp-opt): Rename newly added `noreorder' argument to `keep-order', to avoid a negative in the name. Suggested by Phil Sainty (Bug#34641).
* | Correct regexp-opt return value for empty string listMattias Engdegård2019-03-021-0/+3
| | | | | | | | | | | | | | | | | | | | | | When regexp-opt is called with an empty list of strings, return a regexp that doesn't match anything instead of the empty string (Bug#20307). * doc/lispref/searching.texi (Regular Expression Functions): * etc/NEWS: Document the new behaviour. * lisp/emacs-lisp/regexp-opt.el (regexp-opt): Return a never-match regexp for empty inputs.
* | rx: fix `or' ordering by adding argument to regexp-optMattias Engdegård2019-03-021-3/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The rx `or' form may reorder its arguments in an unpredictable way, contrary to user expectation, since it sometimes uses `regexp-opt'. Add a NOREORDER option to `regexp-opt' for preventing it from producing a reordered regexp (Bug#34641). * doc/lispref/searching.texi (Regular Expression Functions): * etc/NEWS (Lisp Changes in Emacs 27.1): Describe the new regexp-opt NOREORDER argument. * lisp/emacs-lisp/regexp-opt.el (regexp-opt): Add NOREORDER. Make no attempt at regexp improvement if the set of strings contains a prefix of another string. (regexp-opt--contains-prefix): New. * lisp/emacs-lisp/rx.el (rx-or): Call regexp-opt with NOREORDER. * test/lisp/emacs-lisp/rx-tests.el: Test rx `or' form match order.
* | Document that [:cntrl:] does not match DEL (Bug#34391)Mattias Engdegård2019-02-101-1/+1
| | | | | | | | | | | | | | | | * 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)
| * Update copyright year to 2019Paul Eggert2019-01-011-1/+1
| | | | | | | | Run 'TZ=UTC0 admin/update-copyright $(git ls-files)'.
* | Merge from origin/emacs-26Glenn Morris2018-05-251-0/+2
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 07f8f9b (origin/emacs-26) ; * lisp/ldefs-boot.el: Update. 5cec2b0 * etc/HISTORY: Update for Emacs 26.1 release. 7c474e1 * etc/AUTHORS: Update. ddc7bea ; * ChangeLog.3: Update. 3557460 ; * admin/authors.el: Update. 2f44d2d Note caveat for backward regexp searching in docstring (Bug#3... 3145d08 Update backtrace in Emacs Lisp Intro 43a9c26 Move window-point in bibtex-search-entry 4bb2741 More fixes of Intro to Emacs Lisp c57c226 ; * doc/emacs/misc.texi (FFAP): Fix a typo. (Bug#31580) 0a51113 Add a footnote to Emacs Lisp Intro 5eabe4a ; * doc/emacs/msdos.texi (ls in Lisp): Fix a typo. (Bug#31575) d5e0ceb * lisp/help.el (with-help-window): Doc fix. (Bug#31574) e7952bd Fix some cross-references in emacs-lisp-intro.texi a897959 Minor copyedits in Emacs manual in macos.texi Conflicts: lisp/ldefs-boot.el
| * Note caveat for backward regexp searching in docstring (Bug#31584)Noam Postavsky2018-05-251-0/+2
| | | | | | | | | | | | | | * src/search.c (Fre_search_backward): Emphasize that backwards searches may give shorter than expected matches. * doc/lispref/searching.texi (Regexp Search): Add an anchor for re-search-backward to reference.
* | Merge from origin/emacs-26Glenn Morris2018-04-201-2/+8
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5de608f (origin/emacs-26) Update the documentation of 'perform-replace' 06245b6 * etc/NEWS: Another fix for the last change (noted by Juri Li... 8f6293c Fix use of @key in Texinfo manuals f4c9894 Improve documentation of actual arglist ce0e253 ; * etc/NEWS: Improve last change as proposed by Phil Sainty b89ff0e Don't assume term-current-row cache is valid (Bug#31193) 326a296 ; * etc/NEWS: Mention 'display-buffer-in-major-side-window' c... 3bdc9a1 Fix flyspell-auto-correct-previous-word broken by recent change a539eb5 * test/src/lread-tests.el (lread-test-bug-31186): New test. 3fa472b Fix undefined behaviour while looking for lexical-binding fil... 4341aac Minor wording improvement in "Bookmarks" Conflicts: test/src/lread-tests.el
| * Update the documentation of 'perform-replace'Eli Zaretskii2018-04-201-2/+8
| | | | | | | | | | * doc/lispref/searching.texi (Search and Replace): Update the documentation of 'perform-replace'.
* | Raise limit of regexp repetition (Bug#24914)Noam Postavsky2018-01-261-2/+2
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * src/regex.h (RE_DUP_MAX): Raise limit to 2^16-1. * etc/NEWS: Announce it. * doc/lispref/searching.texi (Regexp Backslash): Document it. * test/src/regex-tests.el (regex-repeat-limit): Test it. * src/regex.h (reg_errcode_t): Add REG_ESIZEBR code. * src/regex.c (re_error_msgid): Add corresponding entry. (GET_INTERVAL_COUNT): Return it instead of the more generic REG_EBADBR when encountering a repetition greater than RE_DUP_MAX. * lisp/isearch.el (isearch-search): Don't convert errors starting with "Invalid" into "incomplete". Such errors are not incomplete, in the sense that they cannot be corrected by appending more characters to the end of the regexp. The affected error messages are: - REG_BADPAT "Invalid regular expression" - \\(?X:\\) where X is not a legal group number - \\_X where X is not < or > - REG_ECOLLATE "Invalid collation character" - There is no code to throw this. - REG_ECTYPE "Invalid character class name" - [[:foo:] where foo is not a valid class name - REG_ESUBREG "Invalid back reference" - \N where N is referenced before matching group N - REG_BADBR "Invalid content of \\{\\}" - \\{N,M\\} where N < 0, M < N, M or N larger than max - \\{NX where X is not a digit or backslash - \\{N\\X where X is not a } - REG_ERANGE "Invalid range end" - There is no code to throw this. - REG_BADRPT "Invalid preceding regular expression" - We never throw this. It would usually indicate a "*" with no preceding regexp text, but Emacs allows that to match a literal "*".
* * doc/lispref/searching.texi: Document regexp repetition limit.Noam Postavsky2018-01-261-1/+9
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* Update copyright year to 2018Paul Eggert2018-01-011-1/+1
| | | | Run admin/update-copyright.
* ; Typo fixes, mostly repeated wordsPaul Eggert2017-10-091-1/+1
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* Prefer HTTPS to FTP and HTTP in documentationPaul Eggert2017-09-131-2/+2
| | | | | | | | | | | | | 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.
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