Below is the full text to dat/wizhelp from NetHack 3.4.3.
See also Wizard mode for longer description.
Debug-Mode Quick Reference: ^E == detect secret doors and traps. ^F == do magic mapping. ^G == create monster. ^I == identify items in pack. ^O == tell locations of special levels. ^T == do intra-level teleport. ^V == do trans-level teleport. ^W == make wish. ^X == show attributes including intrinsic attributes. #levelchange == change experience level #lightsources == show mobile light sources #monpolycontrol == control monster polymorphs #panic == panic test #polyself == polymorph self #seenv == show seen vectors #stats == show memory statistics #timeout == look at timeout queue #vision == show vision array #wmode == show wall modes