any-reader: Add some comments on interface and implementation.
authorBen Pfaff <blp@cs.stanford.edu>
Sat, 12 Sep 2015 18:43:14 +0000 (11:43 -0700)
committerBen Pfaff <blp@cs.stanford.edu>
Sat, 12 Sep 2015 18:43:14 +0000 (11:43 -0700)
Also, adjust pfm_detect() and sfm_detect() code to be consistent with
pcp_detect().  This should not cause a change in behavior.


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