[elpa] externals/auctex 363b778 56/71: Update style/multicol.el to package version 1.9b

[Tassilo Horn]

branch: externals/auctex
commit 363b77821886a6b4d063587d9de50905d18046cc
Author: Arash Esbati <arash@gnu.org>
Commit: Arash Esbati <arash@gnu.org>

    Update style/multicol.el to package version 1.9b
    
    * style/multicol.el ("multicol"): Add new macros.  Change the
    query for \columnbreak which accepts an optional argument.
    Add fontification support for relevant macros.
    (LaTeX-multicol-package-options): Add new option "colcation".
---
 style/multicol.el | 35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

diff --git a/style/multicol.el b/style/multicol.el
index d9f7284..6fc65b9 100644
--- a/style/multicol.el
+++ b/style/multicol.el
@@ -26,13 +26,18 @@
 
 ;;; Commentary:
 
-;; This file adds support for `multicol.sty'.
+;; This file adds support for `multicol.sty' v1.9b from 2021/10/28.
 
 ;;; Code:
 
 (require 'tex)
 (require 'latex)
 
+;; Silence the compiler:
+(declare-function font-latex-add-keywords
+                  "font-latex"
+                  (keywords class))
+
 (TeX-add-style-hook
  "multicol"
  (lambda ()
@@ -48,18 +53,40 @@
     "columnseprulecolor"
     '("raggedcolumns" 0)
     '("flushcolumns"  0)
-    '("columnbreak"   0))
+    ;; 2.3 Manually breaking columns
+    '("newcolumn"     0)
+    '("columnbreak"   [ "How much [0 - 4]" ])
+
+    ;; Preface to version 1.7
+    "RLmulticolcolumns"
+    "LRmulticolcolumns")
+
+   ;; Preface to version 1.8
+   (when (LaTeX-provided-package-options-member "multicol" "colaction")
+     (TeX-add-symbols '("docolaction" 3)))
 
    (LaTeX-add-lengths "premulticols"
                       "postmulticols"
                       "multicolsep"
                       "multicolbaselineskip"
                       "multicolovershoot"
-                      "multicolundershoot"))
+                      "multicolundershoot")
+
+   (LaTeX-add-counters "collectmore")
+
+   ;; Fontification
+   (when (and (featurep 'font-latex)
+              (eq TeX-install-font-lock 'font-latex-setup))
+     (font-latex-add-keywords '(("columnbreak"       "")
+                                ("newcolumn"         "")
+                                ("LRmulticolcolumns" "")
+                                ("RLmulticolcolumns" ""))
+                              'warning)))
  TeX-dialect)
 
 (defvar LaTeX-multicol-package-options
-  '("errorshow" "infoshow" "balancingshow" "markshow" "debugshow" "grid")
+  '("errorshow" "infoshow" "balancingshow" "markshow" "debugshow"
+    "grid" "colaction")
   "Package options for the multicol package.")
 
 ;;; multicol.el ends here