Use cal-tex-arg more

* lisp/calendar/cal-tex.el (cal-tex-scriptsize, cal-tex-huge)
(cal-tex-Huge, cal-tex-large): Use cal-tex-arg.

lisp/ChangeLog

@@ -4,6 +4,8 @@
 	Use cal-tex-vspace.
 	(cal-tex-vspace, cal-tex-hspace, cal-tex-em, cal-tex-bf)
 	(cal-tex-Huge-bf, cal-tex-large-bf): Use cal-tex-cmd.
+	(cal-tex-scriptsize, cal-tex-huge, cal-tex-Huge, cal-tex-large):
+	Use cal-tex-arg.
 	* calendar/cal-tex.el (cal-tex-cursor-filofax-year)
 	(cal-tex-cursor-week, cal-tex-cursor-week2)

lisp/calendar/cal-tex.el

@@ -1928,15 +1928,15 @@ Add trailing COMMENT if present."
 
 (defun cal-tex-scriptsize (string)
   "Insert STRING in scriptsize font."
-  (insert "{\\scriptsize " string "}"))
+  (cal-tex-arg (concat "\\scriptsize " string)))
 
 (defun cal-tex-huge (string)
   "Insert STRING in huge font."
-  (insert "{\\huge " string "}"))
+  (cal-tex-arg (concat "\\huge " string)))
 
 (defun cal-tex-Huge (string)
   "Insert STRING in Huge font."
-  (insert "{\\Huge " string "}"))
+  (cal-tex-arg (concat "\\Huge " string)))
 
 (defun cal-tex-Huge-bf (string)
   "Insert STRING in Huge bf font."
@@ -1944,7 +1944,7 @@ Add trailing COMMENT if present."
 
 (defun cal-tex-large (string)
   "Insert STRING in large font."
-  (insert "{\\large " string "}"))
+  (cal-tex-arg (concat "\\large " string)))
 
 (defun cal-tex-large-bf (string)
   "Insert STRING in large bf font."