samtools/htslib — pull request #37 by pchines (2013-11-22 19:14:05+00:00)
Title: Add bam_mplp_set_mask()

This function is analogous to and implemented using bam_plp_set_mask(), and is required to support having the user-supplied flag mask option to mpileup (--ff) replace, rather than adding to default mask.