Fix broken layout file syntax

lib/layouts/amsdefs.inc

@@ -34,7 +34,7 @@ Style Title
 	ParSep                1
 	Align                 Center
 	LabelType             No_Label
-	Argument shorttitle
+	Argument 1
 		LabelString   "Short Title|S"
 		Tooltip       "Short title which appears in the running headers"
 	EndArgument

lib/layouts/customHeadersFooters.module

@@ -16,7 +16,7 @@ Style "Left Header"
   LabelSep		xx
   LatexName	        lhead
   LabelString		"Left Header:"
-  Argument even
+  Argument 1
     LabelString		"Even Header"
     Tooltip		"Alternative text for the even header"
   EndArgument

lib/layouts/enumitem.module

@@ -50,24 +50,24 @@ EndPreamble
 # ------------------------
 
 # With enumitem, the three standard list environments take an optional
-# argument. See enumitem.pdf_ for possible values.
+# argument. See enumitem.pdf for possible values.
 
 IfStyle Itemize
-	Argument option
+	Argument 1
 		LabelString   "Itemize Options"
 		Tooltip       "Optional arguments for this list (see enumitem manual)"
 	EndArgument
 End
 
 IfStyle Enumerate
-	Argument option
+	Argument 1
 		LabelString   "Enumerate Options"
 		Tooltip       "Optional arguments for this list (see enumitem manual)"
 	EndArgument
 End
 
 IfStyle Description
-	Argument option
+	Argument 1
 		LabelString   "Description Options"
 		Tooltip       "Optional arguments for this list (see enumitem manual)"
 	EndArgument

lib/layouts/initials.module

@@ -29,11 +29,11 @@ Style Initial
 	Margin			First_Dynamic
 	LabelType		static
 	LabelString		Initial
-	Argument option
+	Argument 1
 		LabelString   "Initial Option"
 		Tooltip       "Optional argument for initial (see lettrine manual)"
 	EndArgument
-	Argument inital
+	Argument 2
 		Mandatory     1
 		LabelString   "Initial"
 		Tooltip       "Initial letter"