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diff --git a/elpa/auctex-13.1.3/style/breqn.el b/elpa/auctex-13.1.3/style/breqn.el
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-;;; breqn.el --- AUCTeX style for `breqn.sty' (v0.98j)  -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2017--2020 Free Software Foundation, Inc.
-
-;; Author: Arash Esbati <arash@gnu.org>
-;; Maintainer: auctex-devel@gnu.org
-;; Created: 2017-01-06
-;; Keywords: tex
-
-;; This file is part of AUCTeX.
-
-;; AUCTeX is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
-
-;; AUCTeX is distributed in the hope that it will be useful, but
-;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-;; General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with AUCTeX; see the file COPYING.  If not, write to the Free
-;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-;; 02110-1301, USA.
-
-;;; Commentary:
-
-;; This file adds support for `breqn.sty' (v0.98j) from 2020/04/19.
-;; `breqn.sty' is part of TeXLive.
-
-;; In breqn documentation, there is the following statement:
-;;
-;;   9 Various environment options
-;;
-;;   Use of the normal \label command instead of the label option
-;;   works, I think, most of the time (untested).
-;;
-;; To be on the safe side, a label should be written in the optional
-;; argument of an environment as value to the `label' key, e.g.:
-;;
-;;   \begin{dmath}[label={eq:42}]
-;;     ...
-;;   \end{dmath}
-;;
-;; This style achieves this requirement by using the function
-;; `LaTeX-env-label-as-keyval'.
-
-;;; Code:
-
-(require 'latex)
-
-(defvar LaTeX-breqn-key-val-options
-  '(("style" ("\\tiny" "\\scriptsize" "\\footnotesize" "\\small"
-              "\\normalsize" "\\large" "\\Large" "\\LARGE"
-              "\\huge" "\\Huge"))
-    ("number")
-    ("indentstep")
-    ("compact")
-    ("spread")
-    ("frame")
-    ("framesep")
-    ("breakdepth"))
-  "Key=value options for breqn environments.
-The keys \"label\" and \"labelprefix\" are omitted.")
-
-(defvar LaTeX-breqn-key-val-label-regexp
-  `(,(concat
-      "\\\\begin{"
-      (regexp-opt '("dmath" "dseries" "dgroup" "darray"))
-      "}"
-      (LaTeX-extract-key-value-label))
-    1 LaTeX-auto-label)
-  "Matches the label inside an optional argument after \\begin{<breqn-env's>}.")
-
-(defun LaTeX-breqn-env (env)
-  "Insert ENV from breqn package incl. optional key=val argument.
-Keys offered for key=val query depend on ENV.  \"label\" and
-\"labelprefix\" are omitted."
-  (let ((keyvals
-         (TeX-read-key-val t
-                           (cond ((or (string= env "dgroup")
-                                      (string= env "dgroup*"))
-                                  (append '(("noalign") ("brace"))
-                                          LaTeX-breqn-key-val-options))
-                                 ((or (string= env "darray")
-                                      (string= env "darray*"))
-                                  (append '(("noalign") ("brace") ("cols" ("{}")))
-                                          LaTeX-breqn-key-val-options))
-                                 (t LaTeX-breqn-key-val-options)))))
-    (LaTeX-insert-environment env (when (and keyvals
-                                             (not (string= keyvals "")))
-                                    (concat LaTeX-optop keyvals LaTeX-optcl)))
-    (LaTeX-env-label-as-keyval nil nil keyvals env)))
-
-(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
-
-(TeX-add-style-hook
- "breqn"
- (lambda ()
-
-   ;; Add breqn to parser:
-   (TeX-auto-add-regexp LaTeX-breqn-key-val-label-regexp)
-
-   ;; Tell AUCTeX that we want to prefix the labels with `LaTeX-equation-label':
-   (let ((envs '("dmath"  "dseries" "dgroup" "darray")))
-     (dolist (env envs)
-       (add-to-list 'LaTeX-label-alist `(,env . LaTeX-equation-label) t)))
-
-   ;; For RefTeX, we must distinguish between equation and eqnarray-like:
-   ;; breqn env == equivalent -- starred
-   ;; dmath     == equation   -- dmath*   == unnumbered
-   ;; dseries   == equation   -- dseries* == unnumbered
-   ;; dgroup    == align      -- dgroup*  == unnumbered
-   ;; darray    == eqnarray   -- darray*  == unnumbered
-   (when (fboundp 'reftex-add-label-environments)
-     (dolist (env '("dmath" "dseries" "dgroup"))
-       (reftex-add-label-environments `((,env ?e nil nil t))))
-     (reftex-add-label-environments '(("darray" ?e nil nil eqnarray-like))))
-
-   (LaTeX-add-environments
-    '("dmath" LaTeX-breqn-env)
-    '("dmath*" LaTeX-breqn-env)
-    '("dseries" LaTeX-breqn-env)
-    '("dseries*" LaTeX-breqn-env)
-    '("dgroup" LaTeX-breqn-env)
-    '("dgroup*" LaTeX-breqn-env)
-    '("darray" LaTeX-breqn-env)
-    '("darray*" LaTeX-breqn-env)
-    '("dsuspend"))
-
-   (TeX-add-symbols
-    '("condition"  [ "Punctuation mark (default ,)" ] t)
-    '("condition*" [ "Punctuation mark (default ,)" ] t)
-    '("hiderel" t)))
- TeX-dialect)
-
-(defvar LaTeX-breqn-package-options nil
-  "Package options for the breqn package.")
-
-;;; breqn.el ends here