* always use the given clock even if new clock providers are added
* to this pipeline.
*
- * If @clock is NULL all clocking will be disabled which will make
+ * If @clock is %NULL all clocking will be disabled which will make
* the pipeline run as fast as possible.
*
* MT safe.
* Set the clock for @pipeline. The clock will be distributed
* to all the elements managed by the pipeline.
*
- * Returns: TRUE if the clock could be set on the pipeline. FALSE if
+ * Returns: %TRUE if the clock could be set on the pipeline. %FALSE if
* some element did not accept the clock.
*
* MT safe.