Add documentation for "precision" parameter

Author: astagi

sass.py

@@ -73,6 +73,8 @@ def compile(**kwargs):
     :type include_paths: :class:`collections.Sequence`, :class:`str`
     :param image_path: an optional path to find images
     :type image_path: :class:`str`
+    :param precision: optional precision for numbers. :const:`5` by default.
+    :type precision: :class:`int`
     :returns: the compiled CSS string
     :rtype: :class:`str`
     :raises sass.CompileError: when it fails for any reason
@@ -102,6 +104,8 @@ def compile(**kwargs):
     :type include_paths: :class:`collections.Sequence`, :class:`str`
     :param image_path: an optional path to find images
     :type image_path: :class:`str`
+    :param precision: optional precision for numbers. :const:`5` by default.
+    :type precision: :class:`int`
     :returns: the compiled CSS string, or a pair of the compiled CSS string
               and the source map string if ``source_comments='map'``
     :rtype: :class:`str`, :class:`tuple`
@@ -134,6 +138,8 @@ def compile(**kwargs):
     :type include_paths: :class:`collections.Sequence`, :class:`str`
     :param image_path: an optional path to find images
     :type image_path: :class:`str`
+    :param precision: optional precision for numbers. :const:`5` by default.
+    :type precision: :class:`int`
     :raises sass.CompileError: when it fails for any reason
                                (for example the given SASS has broken syntax)
 

sassc.py

@@ -40,6 +40,12 @@
 
    .. versionadded:: 0.4.0
 
+.. option:: -p, --precision
+
+   Set the precision for numbers. Default is 5.
+
+   .. versionadded:: 0.6.3
+
 .. option:: -v, --version
 
    Prints the program version.
@@ -88,7 +94,7 @@ def main(argv=sys.argv, stdout=sys.stdout, stderr=sys.stderr):
                       help='Watch file for changes.  Requires the second '
                            'argument (output css filename).')
     parser.add_option('-p', '--precision', action='store', type="int", default=5,
-                      help='Set number of decimal places. [default: %default]')
+                      help='Set the precision for numbers. [default: %default]')
     options, args = parser.parse_args(argv[1:])
     error = functools.partial(print,
                               parser.get_prog_name() + ': error:',