Log Message:
Update to NetHack 3.6.3.

From https://www.nethack.org/v363/release.html :

 NetHack 3.6.3 is the official release of NetHack that follows NetHack 3.6.2.
Here's a synopsis of over 190 bug fixes and over 22 game enhancements and
community contributions made since the release of 3.6.2 in May 2019:

    Fixed stale 'thrownobj' pointer for returning thrown aklys while engulfed
    Fixed uarmh null pointer dereference if a helm of opposite alignment came \ 
off due to being polymorphed
    Fixed 'object lost' panic when attempting to crawl of of the water during \ 
emergency disrobing/dropping
    Running now stops when moving over engravings so you can tell where they are
    Fixed detection of unseen/secret doors which failed to find monsters hiding \ 
under objects and failed to find monsters hiding at trap locations
    Ensured fatal status conditions made it to disclosure and/or dumplog
    Fixed "Bad fruit #N" warnings when saving bones with 'perm_invent' On
    Fixed it so yellow dragons don't have green breath
    Added several grammar corrections
    Improved recognition of deafness for several situations including the \ 
playing of musical instruments and bribing negotiations with demon lords
    Fixed ignoring of god's wrath when hero injured himself during altar kick
    Fixed several cases where persistent inventory window was not updated
    Fixed temple priests or shopkeepers moving over other monsters
    Fixed a crash-causing bug when putting on levitation boots over a sink
    Ensured that thrown or kicked objects will end up in bones
    Made water go all the way to the edges of level on the Plane of Water
    Made clouds disrupt line of sight along the edges of the Plane of Air
    Improved and expanded usage of status highlighting percentage rules
    Added more than 15 improvements and fixes to the curses window port
    Added and documented significant changes to default directory choices for \ 
the Windows platform
    Improved the layout and display of the player selection dialog used on the \ 
Windows graphical implementation
    Improved performance of some tty versions by reducing the number of function \ 
calls made from mapglyph
    Allowed the msdos implementation to build with curses and PDCurses
    Over 100 other fixes and improvements

All of the fixes have been incrementally published on the public Git repository
for the game. A more complete list can be found in the game's sources in
doc/fixes36.3. As usual, a warning that some entries in that file may also be
"spoilers".

As with all releases of the game, we appreciate your feedback. Please submit
any bugs using the problem report form. Also, please check the "known bugs"
list before you log a problem - somebody else may have already found it.

Happy NetHacking!