>From 74a74a7e7bb03e23178759cb849daf1e64d13259 Mon Sep 17 00:00:00 2001
From: Arash Esbati <address@hidden>
Date: Sat, 23 Jan 2016 17:07:52 +0100
Subject: [PATCH 2/4] Improve font related queries

* style/ntheorem.el (LaTeX-ntheorem-fontdecl): Do not prefix the
elements with `TeX-esc'.
(LaTeX-arg-ntheorem-fontdecl): New function.
("ntheorem"): Use `LaTeX-arg-ntheorem-fontdecl' for font related
queries.
---
 style/ntheorem.el | 49 ++++++++++++++++++++++++++++---------------------
 1 file changed, 28 insertions(+), 21 deletions(-)

diff --git a/style/ntheorem.el b/style/ntheorem.el
index cedc5a8..630c09b 100644
--- a/style/ntheorem.el
+++ b/style/ntheorem.el
@@ -49,21 +49,34 @@ defined with \"\\newtheoremstyle\".")
 defined with \"\\newtheoremlisttype\".")
 
 (defvar LaTeX-ntheorem-fontdecl
-  (mapcar (lambda (elt) (concat TeX-esc elt))
-	  '(;; 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"))
+  '(;; 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-ntheorem-fontdecl (optional &optional prompt)
+  "Prompt for font declaration commands in \"\\theorem(body\|header)font\".
+If OPTIONAL is non-nil, insert the resulting value as an optional
+argument.  Use PROMPT as the prompt string."
+  ;; `INITIAL-INPUT' (5th argument to `TeX-completing-read-multiple')
+  ;; is hard-coded to `TeX-esc'.
+  (let* ((crm-separator (regexp-quote TeX-esc))
+	 (fontdecl (mapconcat 'identity
+			      (TeX-completing-read-multiple
+			       (TeX-argument-prompt optional prompt "Font declaration")
+			       LaTeX-ntheorem-fontdecl nil nil TeX-esc)
+			      TeX-esc)))
+    (TeX-argument-insert fontdecl optional)))
+
 (defun LaTeX-ntheorem-env-label (environment)
   "Insert ENVIRONMENT, query for an optional argument and prompt
 for label.  AUCTeX users should add ENVIRONMENT to
@@ -190,16 +203,10 @@ make them available as new environments.  Update
 		    LaTeX-ntheorem-theoremstyle-list))
 
     '("theorembodyfont"
-      (TeX-arg-eval mapconcat 'identity
-		    (TeX-completing-read-multiple
-		     "Body font: "
-		     LaTeX-ntheorem-fontdecl) ""))
+      (LaTeX-arg-ntheorem-fontdecl "Body font"))
 
     '("theoremheaderfont"
-      (TeX-arg-eval mapconcat 'identity
-		    (TeX-completing-read-multiple
-		     "Header font: "
-		     LaTeX-ntheorem-fontdecl) ""))
+      (LaTeX-arg-ntheorem-fontdecl "Header font"))
 
     '("theoremnumbering"
       (TeX-arg-eval completing-read
-- 
2.7.0