[elpa] externals/compat updated (f74464f0e2 -> a9de656328)

[ELPA Syncer]

elpasync pushed a change to branch externals/compat.

      from  f74464f0e2 Add text-property-search functions from Emacs 27
       new  948535b0c7 Define make-prop-match in compat-tests.el if missing
       new  999ef2a730 Raise an error if the realname would be the same as the 
name
       new  e48b73c22c Prefix text-property-search tests with "compat-"
       new  a9de656328 Use compat--... functions when testing the compatibility 
code


Summary of changes:
 compat-macs.el  |  2 ++
 compat-tests.el | 18 ++++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)