housekeeping items for 3.6.5 - first pass

include/patchlevel.h

@@ -9,14 +9,14 @@
 /*
  * PATCHLEVEL is updated for each release.
  */
-#define PATCHLEVEL 4
+#define PATCHLEVEL 5
 /*
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
 #define EDITLEVEL 0
 
-#define COPYRIGHT_BANNER_A "NetHack, Copyright 1985-2019"
+#define COPYRIGHT_BANNER_A "NetHack, Copyright 1985-2020"
 #define COPYRIGHT_BANNER_B \
     "         By Stichting Mathematisch Centrum and M. Stephenson."
 /* COPYRIGHT_BANNER_C is generated by makedefs into date.h */
@@ -36,6 +36,26 @@
 /****************************************************************************/
 /* Version 3.6.x */
 
+/*  Patch 5, January ??, 2020
+ *
+ * FIXME: update entries depending on whether the cherry-picks are included
+ *  -- start cherry-pick entries
+ *  fix accessing mons[-1] when trying to gate in a non-valid demon
+ *  fix accessing mons[-1] when monster figures out if a tin cures stoning
+ *  walking out of tethered-to-buried-object trap condition was supposed to
+ *      reinstate punishment but wasn't finding the buried iron ball because
+ *      the trap condition was cleared first to indicate escape; result was
+ *      attached chain that got dragged around but had no ball attached
+ *  -- end cherry-pick entries
+ *  have string_for_opt() return empty_optstr on failure
+ *  ensure existing callers of string_for_opt() check return value before using it
+ *  fix potential buffer overflow in add_menu_coloring()0
+ *  fix potential buffer overflow in sym_val()
+ *  fix potential buffer overflow in pline(), raw_printf(), and config_error_add()
+ *  Windows: incldues a fix from a 3.6.4 post-release update where 
+ *      OPTIONS=map_mode:fit_to_screen could cause a game start failure
+ */
+
 /*  Patch 4, December 18, 2019
  *
  *  fix potential buffer overflow when parsing run-time configuration file