/*
* Struct for extra information passed to subroutines of grouping_planner
*
- * limit_needed is true if we actually need a Limit plan node
+ * limit_needed is true if we actually need a Limit plan node.
* limit_tuples is an estimated bound on the number of output tuples,
- * or -1 if no LIMIT or couldn't estimate
+ * or -1 if no LIMIT or couldn't estimate.
* count_est and offset_est are the estimated values of the LIMIT and OFFSET
* expressions computed by preprocess_limit() (see comments for
* preprocess_limit() for more information).