libXt: Changes to 'master'

Mon Apr 29 00:08:19 UTC 2019

 specs/CH09.xml |  135 ++++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 97 insertions(+), 38 deletions(-)

New commits:
commit 870954db9312d007a3c7620763e858cc0c03f753
Author: Thomas E. Dickey <dickey at invisible-island.net>
Date:   Sun Apr 28 19:54:36 2019 -0400

    improved markup for the restored pages
    
    Signed-off-by: Thomas E. Dickey <dickey at invisible-island.net>

commit c6bd044933771201d13256b18fad0c0d027b650b
Author: Thomas E. Dickey <dickey at invisible-island.net>
Date:   Sun Apr 28 19:23:48 2019 -0400

    restore the last 3-4 pages of "Registering a New Resource Converter",
    originally section 9.6.4 which lost in sgml/docbook conversion.
    
    Signed-off-by: Thomas E. Dickey <dickey at invisible-island.net>