Merge pull request #36 from TMueller83/patch-1

Improve commented_out check

Author: dimpase

scripts.dtx

@@ -56,14 +56,13 @@ if sys.argv[1].endswith('.sagetex.sage'):
 else:
     src = os.path.splitext(sys.argv[1])[0]
 
-commented_out = r'^\s*%'
 usepackage = r'\usepackage(\[.*\])?{sagetex}'
 uses_sagetex = False
 
 # if it doesn't use sagetex, obviously running sage is unnecessary
 with open(src + '.tex') as texf:
     for line in texf:
-        if not re.search(commented_out, line) and re.search(usepackage, line):
+        if re.search(usepackage, line.replace(r'\%', '').split('%')[0]):
             uses_sagetex = True
             break