[elpa] externals/compat updated (887ec71fa3 -> 6456fc613d)

[ELPA Syncer]

elpasync pushed a change to branch externals/compat.

      from  887ec71fa3 Version 29.1.1.0
       new  1b348a4df9 compat-29: Add test for key-parse
       new  b9bf90e71c compat-25: Optimize sort, improve test
       new  4abf2bccb5 compat-25: Small fix to the last commit
       new  1e4d490588 README: The mirror is outdated
       new  6456fc613d README: Mention GNU ELPA repository


Summary of changes:
 README.md       |   6 ++--
 compat-25.el    |  10 +++---
 compat-29.el    |   2 +-
 compat-tests.el | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 compat.texi     |  12 +++----
 5 files changed, 118 insertions(+), 16 deletions(-)