diff --git a/songbook.py b/songbook.py
index ca3489db..01952d2e 100755
--- a/songbook.py
+++ b/songbook.py
@@ -38,6 +38,14 @@ def toValue(parameter, data):
         return joinText.join(data)
     elif parameter["type"] == "color":
         return data[1:]
+    elif parameter["type"] == "enum":
+        return data
+    elif parameter["type"] == "flag":
+        if "join" in parameter:
+            joinText = parameter["join"]
+        else:
+            joinText = ''
+        return joinText.join(data)
 
 def formatDeclaration(name, parameter):
     value = ""
@@ -111,7 +119,7 @@ def makeDepend(sb, output):
 
     # check for lilypond deps (in songs data) if necessary
     lilypond = []
-    if "booktype" in sb and "lilypond" in sb["booktype"]:
+    if "bookoptions" in sb and "lilypond" in sb["bookoptions"]:
         for filename in deps:
             tmpl = open(filename)
             lilypond += matchRegexp(lilypondPattern, tmpl)
diff --git a/templates/minimal.tmpl b/templates/minimal.tmpl
index 35ab9924..74c642fa 100644
--- a/templates/minimal.tmpl
+++ b/templates/minimal.tmpl
@@ -25,7 +25,12 @@
 % Template parameters
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%:[
-%%:  {"name":"booktype", "description":"Booktype", "type":"stringlist", "default":["chorded"], "join":","}
+%%:  {"name":"booktype", "description":"Type", "type":"enum", "values":["chorded","lyric"], "default":"chorded", "mandatory":true},
+%%:  {"name":"bookoptions", "description":"Options", "type":"flag", "values":["diagram","lilypond","tabs"], "join":",", "mandatory":true, "default":["diagram"]},
+%%:  {"name":"mainfontsize", "description":"Font Size", "type":"enum", "values":["10pt","11pt","12pt"], "default":"10pt"},
+%%:  {"name":"songnumberbgcolor", "description":"Number Shade", "type":"color", "default":"#D1E4AE"},
+%%:  {"name":"notebgcolor", "description":"Note Shade", "type":"color", "default":"#D1E4AE"},
+%%:  {"name":"indexbgcolor", "description":"Index Shade", "type":"color", "default":"#D1E4AE"}
 %%:]
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % begin document
diff --git a/templates/patacrep.tmpl b/templates/patacrep.tmpl
index b7c28d3b..761aa946 100644
--- a/templates/patacrep.tmpl
+++ b/templates/patacrep.tmpl
@@ -25,8 +25,10 @@
 % Template parameters
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%:[
-%%:  {"name":"title", "description":"Title", "default":"Recueil de chansons pour guitare"},
-%%:  {"name":"author", "description":"Author", "default":"Romain Goffe \\and Alexandre Dupas"},
+%%:  {"name":"title", "description":"Title", "default":"Recueil de chansons pour guitare", "mandatory":true},
+%%:  {"name":"author", "description":"Author", "default":"Romain Goffe \\and Alexandre Dupas", "mandatory":true},
+%%:  {"name":"booktype", "description":"Type", "type":"enum", "values":["chorded","lyric"], "default":"chorded", "mandatory":true},
+%%:  {"name":"bookoptions", "description":"Options", "type":"flag", "values":["diagram","lilypond","tabs"], "join":",", "mandatory":true, "default":["diagram"]},
 %%:  {"name":"version", "description":"Version", "default":"3.2"},
 %%:  {"name":"subtitle", "description":"Subtitle"},
 %%:  {"name":"web", "description":"Web", "default":"http://www.patacrep.com"},
@@ -35,7 +37,6 @@
 %%:  {"name":"picturecopyright", "description":"Copyright", "default":"foxygamergirl@deviantart.com"},
 %%:  {"name":"footer", "description":"Footer", "default":"\\begin{flushleft}\\includegraphics[width=3cm]{on-fire}\\end{flushleft}"},
 %%:  {"name":"license", "description":"License", "default":"\\input{license.tex}"},
-%%:  {"name":"booktype", "description":"Booktype", "type":"stringlist", "default":["chorded"], "join":","},
 %%:  {"name":"mainfontsize", "description":"Font Size", "values":["10pt","11pt","12pt"], "default":"10pt"},
 %%:  {"name":"songnumberbgcolor", "description":"Number Shade", "type":"color", "default":"#D1E4AE"},
 %%:  {"name":"notebgcolor", "description":"Note Shade", "type":"color", "default":"#D1E4AE"},