master updated (c44190c -> 90a7233)

[Dmitry Gutov]

dgutov pushed a change to branch master.

      from  c44190c   Fix string-distance for two empty strings
       new  d0e9b88   xref-matches-in-files: Decrease per match and per group 
overhead
       new  90a7233   More per-match overhead reduction


Summary of changes:
 lisp/progmodes/xref.el | 52 +++++++++++++++++++++++++-------------------------
 1 file changed, 26 insertions(+), 26 deletions(-)