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diff --git a/elpa/auctex-13.1.3/style/amsthm.el b/elpa/auctex-13.1.3/style/amsthm.el
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+;;; amsthm.el --- Style hook for the AMS-LaTeX amsthm package.  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 1997, 2013--2015, 2018, 2020 Free Software Foundation, Inc.
+
+;; Author: Carsten Dominik <dominik@strw.leidenuniv.nl>
+;; Maintainer: auctex-devel@gnu.org
+
+;; 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:
+
+;; The style provides the function `LaTeX-amsthm-env-label' which
+;; enables new defined environments with "\newtheoreom" to interact
+;; with AUCTeX and RefTeX mechanisms for inserting labels.  Check
+;; docstring of `LaTeX-amsthm-env-label' for instructions.
+
+;;; Code:
+
+(require 'tex)
+(require 'latex)
+
+;; Silence the compiler:
+(declare-function font-latex-add-keywords
+                  "font-latex"
+                  (keywords class))
+
+(defvar LaTeX-amsthm-package-options nil
+  "Package options for the amsthm package.")
+
+(defvar LaTeX-amsthm-fontdecl
+  '(;; family
+    "rmfamily" "sffamily" "ttfamily"
+    ;; series
+    "mdseries" "bfseries"
+    ;; shape
+    "upshape" "itshape" "slshape" "scshape"
+    ;; size
+    "tiny"  "scriptsize" "footnotesize"
+    "small" "normalsize" "large"
+    "Large" "LARGE" "huge" "Huge"
+    ;; reset macro
+    "normalfont")
+  "List of font declaration commands for \"\\newtheoremstyle\".")
+
+(defun LaTeX-arg-amsthm-fontdecl (optional &optional prompt)
+  "Prompt for font declaration commands in \"\\newtheoremstyle\".
+If OPTIONAL is non-nil, insert the resulting value as an optional
+argument.  Use PROMPT as the prompt string."
+  (let* ((crm-separator (regexp-quote TeX-esc))
+         (fontdecl (mapconcat #'identity
+                              (TeX-completing-read-multiple
+                               (TeX-argument-prompt optional prompt "Font: \\" t)
+                               LaTeX-amsthm-fontdecl)
+                              TeX-esc)))
+    (TeX-argument-insert fontdecl
+                         optional
+                         (when (and fontdecl (not (string= fontdecl "")))
+                           TeX-esc))))
+
+(defun LaTeX-amsthm-env-label (environment)
+  "Insert ENVIRONMENT, query for an optional argument and prompt
+for label.  AUCTeX users should add ENVIRONMENT to
+`LaTeX-label-alist' via customize or in init-file with:
+
+  (add-to-list \\='LaTeX-label-alist \\='(\"lemma\" . \"lem:\"))
+
+RefTeX users should customize or add ENVIRONMENT to
+`LaTeX-label-alist' and `reftex-label-alist', for example
+
+  (add-to-list \\='LaTeX-label-alist \\='(\"lemma\" . \"lem:\"))
+  (add-to-list \\='reftex-label-alist
+               \\='(\"lemma\" ?m \"lem:\" \"~\\ref{%s}\"
+                 nil (\"Lemma\" \"lemma\") nil))"
+  (let ((opthead (TeX-read-string
+                  (TeX-argument-prompt t nil "Heading"))))
+    (LaTeX-insert-environment environment
+                              (when (and opthead
+                                         (not (string= opthead "")))
+                                (format "[%s]" opthead))))
+  (when (LaTeX-label environment 'environment)
+    (LaTeX-newline)
+    (indent-according-to-mode)))
+
+;; Setup parsing for \newtheorem
+(TeX-auto-add-type "amsthm-newtheorem" "LaTeX")
+
+;; Setup parsing for \newtheoremstyle
+(TeX-auto-add-type "amsthm-newtheoremstyle" "LaTeX")
+
+(defun LaTeX-amsthm-auto-prepare ()
+  "Clear `LaTeX-auto-amsthm-newtheorem' and
+`LaTeX-auto-amsthm-newtheoremstyle' before parsing."
+  (setq LaTeX-auto-amsthm-newtheorem nil)
+  (setq LaTeX-auto-amsthm-newtheoremstyle nil))
+
+(defun LaTeX-amsthm-auto-cleanup ()
+  "Move parsed results from `LaTeX-auto-amsthm-newtheorem' and
+make them available as new environments."
+  (dolist (newthm (mapcar #'car (LaTeX-amsthm-newtheorem-list)))
+    (LaTeX-add-environments (list newthm #'LaTeX-amsthm-env-label))))
+
+(add-hook 'TeX-auto-prepare-hook #'LaTeX-amsthm-auto-prepare t)
+(add-hook 'TeX-auto-cleanup-hook #'LaTeX-amsthm-auto-cleanup t)
+(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
+
+(TeX-add-style-hook
+ "amsthm"
+ (lambda ()
+   ;; Add the pre-defined styles:
+   (LaTeX-add-amsthm-newtheoremstyles "definition"
+                                      "plain"
+                                      "remark")
+
+   (LaTeX-add-environments
+    '("proof" LaTeX-amsthm-env-label))
+
+   (TeX-add-symbols
+    ;; Overrule the defintion in `latex.el':
+    '("newtheorem"
+      (TeX-arg-eval
+       (lambda ()
+         (let ((nthm (TeX-read-string
+                      (TeX-argument-prompt nil nil "Environment"))))
+           (LaTeX-add-amsthm-newtheorems nthm)
+           (LaTeX-add-environments (list nthm #'LaTeX-amsthm-env-label))
+           (format "%s" nthm))))
+      [ TeX-arg-environment "Numbered like" ]
+      t [ (TeX-arg-eval progn (if (eq (save-excursion
+                                        (backward-char 2)
+                                        (preceding-char)) ?\])
+                                  ()
+                                (TeX-arg-counter t "Within counter"))
+                        "") ])
+
+    '("newtheorem*"
+      (TeX-arg-eval
+       (lambda ()
+         (let ((nthm (TeX-read-string
+                      (TeX-argument-prompt nil nil "Environment")))
+               (heading (TeX-read-string
+                         (TeX-argument-prompt nil nil "Heading"))))
+           (LaTeX-add-amsthm-newtheorems nthm)
+           (LaTeX-add-environments (list nthm #'LaTeX-amsthm-env-label))
+           (insert (concat TeX-grop nthm TeX-grcl))
+           (format "%s" heading)))))
+
+    '("theoremstyle"
+      (TeX-arg-eval completing-read
+                    (TeX-argument-prompt nil nil "Style")
+                    (LaTeX-amsthm-newtheoremstyle-list)))
+    "qedhere"
+    "swapnumbers"
+
+    '("newtheoremstyle"
+      (TeX-arg-eval
+       (lambda ()
+         (let ((nthmstyle (TeX-read-string
+                           (TeX-argument-prompt nil nil "Style name"))))
+           (LaTeX-add-amsthm-newtheoremstyles nthmstyle)
+           (format "%s" nthmstyle))))
+      (TeX-arg-length "Space above")
+      (TeX-arg-length "Space below")
+      (LaTeX-arg-amsthm-fontdecl "Body font: \\")
+      "Indent amount"
+      (LaTeX-arg-amsthm-fontdecl "Theorem head font: \\")
+      "Punctuation after head"
+      (TeX-arg-length "Space after head")
+      "Theorem head spec"))
+
+   (TeX-auto-add-regexp
+    `(,(concat "\\\\newtheorem\\*?{\\(" TeX-token-char "+\\)}")
+      1 LaTeX-auto-amsthm-newtheorem))
+   (TeX-auto-add-regexp
+    `(,(concat "\\\\newtheoremstyle{\\(" TeX-token-char "+\\)}")
+      1 LaTeX-auto-amsthm-newtheoremstyle))
+
+   ;; Fontification
+   (when (and (featurep 'font-latex)
+              (eq TeX-install-font-lock 'font-latex-setup))
+     (font-latex-add-keywords '(("newtheorem"      "*{[{[")
+                                ("theoremstyle"    "{")
+                                ("newtheoremstyle" "{{{{{{{{{"))
+                              'function)))
+ TeX-dialect)
+
+;;; amsthm.el ends here