refactored the RGL description to general and language-specific parts: new languages can be added by writing the latter ones and adding a Makefile entry

lib/doc/languages/Makefile

@@ -1,5 +1,7 @@
 all: english
 
 english:
-	txt2tags -thtml --toc gf-grammar.txt
+	echo "English: A Digital Grammar" >gf-english.txt
+	cat gf-general-1.txt gf-english-1.txt gf-general-2.txt gf-english-2.txt >>gf-english.txt
+	txt2tags -thtml --toc gf-english.txt
 

lib/doc/languages/gf-english-1.txt

@@ -0,0 +1,4 @@
+
++Words: English-specific section+
+
+

lib/doc/languages/gf-english-2.txt

@@ -0,0 +1,4 @@
+
+
++Syntax: English-specific section+
+

lib/doc/languages/gf-general-1.txt

@@ -1,4 +1,3 @@
-English: A Digital Grammar
 Aarne Ranta
 %%date
 
@@ -366,25 +365,3 @@ the determiner //the// in Swedish just selects an inflectional form of the noun
 "the" + //bil// = //bilen// ("the car").
 
 
-
-//BEGIN English//
-
-+Words: English-specific section+
-
-
-
-//END English//
-
-
-
-+Syntax: general section+
-
-
-//BEGIN English//
-
-+Syntax: English-specific section+
-
-
-
-//END English//
-

lib/doc/languages/gf-general-2.txt

@@ -0,0 +1,5 @@
+
+
++Syntax: general section+
+
+