L'exemple fonctionne avec chacun des templateso

Même s'il produit un fichier vide pour layout.tex, ce qui est normal.

songbook_core/data/examples/example-layout.sb

@@ -0,0 +1,15 @@
+{
+"template" : "layout.tex",
+"bookoptions" : [
+    "importantdiagramonly",
+    "repeatchords",
+    "lilypond",
+    "pictures"
+  ],
+"booktype" : "chorded",
+"lang" : "french",
+"authwords" : {
+  "sep" : ["and", "et"]
+  },
+ "datadir" : "."
+}

songbook_core/data/examples/example-patacrep.sb

@@ -0,0 +1,15 @@
+{
+"template" : "patacrep.tex",
+"bookoptions" : [
+    "importantdiagramonly",
+    "repeatchords",
+    "lilypond",
+    "pictures"
+  ],
+"booktype" : "chorded",
+"lang" : "french",
+"authwords" : {
+  "sep" : ["and", "et"]
+  },
+ "datadir" : "."
+}

songbook_core/data/examples/example-songs.sb

@@ -0,0 +1,15 @@
+{
+"template" : "songs.tex",
+"bookoptions" : [
+    "importantdiagramonly",
+    "repeatchords",
+    "lilypond",
+    "pictures"
+  ],
+"booktype" : "chorded",
+"lang" : "french",
+"authwords" : {
+  "sep" : ["and", "et"]
+  },
+ "datadir" : "."
+}

songbook_core/data/templates/layout.tex

@@ -59,6 +59,9 @@
 "mainfontsize": {"description": {"en": "Font Size", "fr": "Taille de police"},
                "type":"font",
                "default":{"default": "10"}
+            },
+"lang": {"description": {"en": "Language", "fr": "Langue"},
+         "default": {"en": "english", "fr": "french"}
       }
 }
 (% endvariables %)
@@ -76,6 +79,8 @@
    \usepackage[utf8]{inputenc}
    \usepackage[T1]{fontenc}
    \usepackage{lmodern}
+
+   \lang{((lang))}
 (* endblock songbookpreambule *)
 
 (* block preambule *)

songbook_core/data/templates/songs.tex

@@ -1,14 +1,3 @@
-(% variables %)
-{
-"languages": {"description": {"en": "List of languages used by songs", "fr": "Liste des langues utilisées par les chansons"},
-              "default": {"en": "english", "fr": "french"}
-           },
-"lang": {"description": {"en": "Language", "fr": "Langue"},
-         "default": {"en": "english", "fr": "french"}
-      }
-}
-(% endvariables %)
-
 (* extends "layout.tex" *)
 
 (* block songbookpreambule *)
@@ -19,7 +8,6 @@
    \PassOptionsToPackage{((lang))}{babel}
    (* endfor *)
    \usepackage[((lang))]{babel}
-   \lang{((lang))}
 
    \graphicspath{{((datadir))/img/}}
 (* endblock *)