bookoption is an internal config

patacrep/build.py

@@ -110,7 +110,7 @@ class Songbook:
             )
         self._config['filename'] = output.name[:-4]
 
-        self._config['bookoptions'] = iter_bookoptions(self._config)
+        self._config['_bookoptions'] = iter_bookoptions(self._config)
 
         renderer.render_tex(output, self._config)
         self._errors.extend(renderer.errors)

patacrep/data/templates/patacrep.tex

@@ -63,7 +63,7 @@ default:
 
 (* block songbookpackages *)
 \usepackage[
-    (* for option in bookoptions *)((option)),
+    (* for option in _bookoptions *)((option)),
     (* endfor *)
     ]{crepbook}
 (* endblock *)

patacrep/data/templates/songs.tex

@@ -22,7 +22,7 @@
 
 (* block songbookpackages *)
 \usepackage[
-    (* for option in bookoptions *)((option)),
+    (* for option in _bookoptions *)((option)),
     (* endfor *)
     ]{patacrep}
 (* endblock *)