Pull request from entrez: nothing happened--except spending a wand
charge--if a monster zapped a wand of digging down at a spot where
holes can't be dug. If a pit can be dug there, dig one and then trap
the monster in it. No-op if a pit or other trap is already present.
Closes #796
when invisible without see invisible you could see your hands glowing red
after reading a scroll of confuse monster and delivering melee hits
greased saddle makes it impossible to mount the steed
+if an item-using monster zaps a wand of digging downward on a level that
+ doesn't allow holes but does allow pits, create a pit and trigger it
Fixes to 3.7.0-x Problems that Were Exposed Via git Repository