delta-find: clarify that revisioninfo.p1/p2 constains nodeid

This clarify the content of these attributes.

mercurial/revlogutils/__init__.py

@@ -1,82 +1,82 b''
 # mercurial.revlogutils -- basic utilities for revlog
 #
 # Copyright 2019 Pierre-Yves David <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 
 from ..thirdparty import attr
 from ..interfaces import repository
 
 # See mercurial.revlogutils.constants for doc
 COMP_MODE_INLINE = 2
 RANK_UNKNOWN = -1
 
 
 def offset_type(offset, type):
     if (type & ~repository.REVISION_FLAGS_KNOWN) != 0:
         raise ValueError(b'unknown revlog index flags: %d' % type)
     return int(int(offset) << 16 | type)
 
 
 def entry(
     data_offset,
     data_compressed_length,
     data_delta_base,
     link_rev,
     parent_rev_1,
     parent_rev_2,
     node_id,
     flags=0,
     data_uncompressed_length=-1,
     data_compression_mode=COMP_MODE_INLINE,
     sidedata_offset=0,
     sidedata_compressed_length=0,
     sidedata_compression_mode=COMP_MODE_INLINE,
     rank=RANK_UNKNOWN,
 ):
     """Build one entry from symbolic name
 
     This is useful to abstract the actual detail of how we build the entry
     tuple for caller who don't care about it.
 
     This should always be called using keyword arguments. Some arguments have
     default value, this match the value used by index version that does not store such data.
     """
     return (
         offset_type(data_offset, flags),
         data_compressed_length,
         data_uncompressed_length,
         data_delta_base,
         link_rev,
         parent_rev_1,
         parent_rev_2,
         node_id,
         sidedata_offset,
         sidedata_compressed_length,
         data_compression_mode,
         sidedata_compression_mode,
         rank,
     )
 
 
 @attr.s(slots=True, frozen=True)
 class revisioninfo:
     """Information about a revision that allows building its fulltext
     node:       expected hash of the revision
-    p1, p2:     parent revs of the revision
+    p1, p2:     parent revs of the revision (as node)
     btext:      built text cache consisting of a one-element list
     cachedelta: (baserev, uncompressed_delta, usage_mode) or None
     flags:      flags associated to the revision storage
 
     One of btext[0] or cachedelta must be set.
     """
 
     node = attr.ib()
     p1 = attr.ib()
     p2 = attr.ib()
     btext = attr.ib()
     textlen = attr.ib()
     cachedelta = attr.ib()
     flags = attr.ib()