- this is escaping isn't needed. If we don't want to use interpolation we should call the appropriate methods with correct parameters. (luckily nobody except Peter noticed this issue because it resulted in a 0byte ~/.oscrc)

osc/OscConfigParser.py

@@ -168,8 +168,6 @@ class OptionLine(Line):
     def format(self, line):
         mo = ConfigParser.ConfigParser.OPTCRE.match(line.strip())
         key, val = mo.group('option', 'value')
-        # escape all occurrences of '%' otherwise string formatting will fail
-        line = line.replace('%', '%%')
         self.frmt = line.replace(key.strip(), '%s', 1)
         pos = val.find(' ;')
         if pos >= 0: