master updated (ed50240 -> 5580655)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  ed50240   * etc/HELLO: Use JavaScript for Javanese script 
(bug#43887)
      adds  dcf9cd4   Add new Lisp implementation of substitute-command-keys
      adds  afd31f9   Translate describe_map_tree to Lisp
      adds  647b1c5   Translate describe_map to Lisp
      adds  5ad2bb0   Translate describe_vector to Lisp
      adds  afde53c   Improve substitute-command-keys performance
      adds  8a14413   Prefer Lisp version of describe-map-tree
      adds  ef5a604   Remove C version of substitute-command-keys
      adds  420023a   Prefer Lisp version of describer in help--describe-vector
       new  5580655   Merge branch 'scratch/substitute-command-keys'


Summary of changes:
 lisp/help.el            | 470 +++++++++++++++++++++++++++++++++++++++++
 src/doc.c               | 321 ++--------------------------
 src/keyboard.c          |   4 +-
 src/keymap.c            | 540 +++++++++++-------------------------------------
 src/keymap.h            |   2 -
 src/print.c             |   2 +-
 src/syntax.c            |   2 +-
 test/lisp/help-tests.el | 310 +++++++++++++++++++++++++++
 test/src/doc-tests.el   |  98 ---------
 9 files changed, 922 insertions(+), 827 deletions(-)
 delete mode 100644 test/src/doc-tests.el