If a style has a val of 0, it still gets styled

CHANGELOG

@@ -8,7 +8,8 @@ Changelog
       cases in which the continue attribute is not there.
     * We now correctly handle documents with unicode character in the
       namespace.
-
+    * In rare cases, some text would be output with a style when it should not
+      have been. This issue has been fixed.
 * 0.3.1
     * Added support for several more OOXML tags including:
         * caps

pydocx/DocxParser.py

@@ -30,6 +30,7 @@
 INDENTATION_RIGHT = 'right'
 INDENTATION_LEFT = 'left'
 INDENTATION_FIRST_LINE = 'firstLine'
+DISABLED_VALUES = ['false', '0']
 
 # Add some helper functions to Element to make it slightly more readable
 
@@ -572,7 +573,8 @@ def _is_style_on(self, el):
         sufficient. You need to check to make sure it is not set to "false" as
         well.
         """
-        return el.get('val') != 'false'
+        val = el.get('val', '').lower()
+        return val.lower() not in DISABLED_VALUES
 
     def parse_t(self, el, parsed):
         return self.escape(el.text)

pydocx/tests/test_xml.py

@@ -16,6 +16,7 @@ class BoldTestCase(_TranslationTestCase):
     expected_output = """
         <p><strong>AAA</strong></p>
         <p>BBB</p>
+        <p>CCC</p>
     """
 
     def get_xml(self):
@@ -36,6 +37,14 @@ def get_xml(self):
                     ),
                 ],
             ),
+            DXB.p_tag(
+                [
+                    DXB.r_tag(
+                        [DXB.t_tag('CCC')],
+                        rpr=DXB.rpr_tag({'b': '0'}),
+                    ),
+                ],
+            ),
         ]
 
         body = ''