[elpa] branch externals/chess updated (d131ff4 -> 933ef4d)

[Mario Lang]

mlang pushed a change to branch externals/chess
in repository elpa.

      from  d131ff4   * doc/chess.texi: Document chess-ai-quiescence-depth and 
chess-ai-best-move. * chess-{ai,crafty,glaurung,gnuchess,sjeng,stockfish}.el: 
Add custom-manual links to customisation groups.
       new  933ef4d   doc/chess.texi: Steal parts of Shell mode documentation 
to explain comint-based chess-ics-mode.

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 chess.info     |  317 +++++++++++++++++++++++++++++++++++++++++++++++++++-----
 doc/chess.texi |  293 ++++++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 566 insertions(+), 44 deletions(-)