Correct starred sections and add test

patacrep/content/__init__.py

@@ -174,7 +174,7 @@ def process_content(content, config=None):
     """
     contentlist = []
     plugins = config.get('_content_plugins', {})
-    keyword_re = re.compile(r'^ *(?P<keyword>\w*) *(\((?P<argument>.*)\))? *$')
+    keyword_re = re.compile(r'^ *(?P<keyword>[\w\*]*) *(\((?P<argument>.*)\))? *$')
     if not content:
         content = [["song"]]
     for elem in content:

test/test_content/sections_short.control

@@ -1 +1 @@
-["section:(tradi)Traditional", "exsong.sg", "section:Example", "texsong.tsg", "chordpro.csg", "exsong.sg"]
+["section:(tradi)Traditional", "exsong.sg", "section*:Example", "texsong.tsg", "chordpro.csg", "exsong.sg"]

test/test_content/sections_short.source

@@ -1,6 +1,6 @@
 [["section", "Traditional", "tradi"],
                 "exsong.sg",
-                ["section", "Example"],
+                ["section*", "Example"],
                 "texsong.tsg",
                 "chordpro.csg",
                 "exsong.sg"]