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| author | Arash Esbati <arash@gnu.org> | 2019-02-23 14:02:05 +0100 |
|---|---|---|
| committer | Tassilo Horn <tsdh@gnu.org> | 2019-02-27 18:22:08 +0100 |
| commit | b18cecf89bbb9d2d057f86e8fa1a1f1417d887b6 (patch) | |
| tree | 2a2ca48133c65e4606477ca9e0a70e13ed068091 | |
| parent | d07f3aae48242ad70e874c2d10fc15b7e1efa4d6 (diff) | |
| download | emacs-b18cecf89bbb9d2d057f86e8fa1a1f1417d887b6.tar.gz | |
Improve matching of key-val labels (bug#34629)
* lisp/textmodes/reftex-vars.el (reftex-label-regexps): Improve
regexp for key-val labels in order to skip over content in braces.
| -rw-r--r-- | lisp/textmodes/reftex-vars.el | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/lisp/textmodes/reftex-vars.el b/lisp/textmodes/reftex-vars.el index 9147de6e01e..eb1dfc50a35 100644 --- a/lisp/textmodes/reftex-vars.el +++ b/lisp/textmodes/reftex-vars.el @@ -891,11 +891,29 @@ DOWNCASE t: Downcase words before using them." ;; so this list mustn't get any more items. (defconst reftex-label-regexps '("\\\\label{\\([^}]*\\)}")) (defcustom reftex-label-regexps - '(;; Normal \\label{foo} labels + `(;; Normal \\label{foo} labels "\\\\label{\\(?1:[^}]*\\)}" ;; keyvals [..., label = {foo}, ...] forms used by ctable, ;; listings, minted, ... - "\\[[^][]\\{0,2000\\}\\<label[[:space:]]*=[[:space:]]*{?\\(?1:[^],}]+\\)}?") + ,(concat + ;; Make sure we search only for optional arguments of + ;; environments and don't match any other [ + "\\\\begin[[:space:]]*{\\(?:[^}]+\\)}[[:space:]]*" + ;; Match the opening [ and the following chars + "\\[[^][]*" + ;; Allow nested levels of chars enclosed in braces + "\\(?:{[^}{]*" + "\\(?:{[^}{]*" + "\\(?:{[^}{]*}[^}{]*\\)*" + "}[^}{]*\\)*" + "}[^][]*\\)*" + ;; Match the label key + "\\<label[[:space:]]*=[[:space:]]*" + ;; Match the label value; braces around the value are + ;; optional. + "{?\\(?1:[^] ,}\r\n\t%]+\\)}?" + ;; We are done. Such search until the next closing bracket + "[^]]*\\]")) "List of regexps matching \\label definitions. The default value matches usual \\label{...} definitions and keyval style [..., label = {...}, ...] label definitions. It is @@ -905,7 +923,7 @@ have to define it using \\(?1:...\\) when adding new regexps. When changed from Lisp, make sure to call `reftex-compile-variables' afterwards to make the change effective." - :version "25.1" + :version "27.1" :set (lambda (symbol value) (set symbol value) (when (fboundp 'reftex-compile-variables) |