If KEYMAP is nil, search only KEYMAP1.\n\
If KEYMAP1 is nil, use the current global map.\n\
\n\
-If optional 4th arg FIRSTONLY is non-nil, return a string representing\n\
-the first key sequence found, rather than a list of all possible key\n\
-sequences. If FIRSTONLY is t, avoid key sequences which use non-ASCII\n\
+If optional 4th arg FIRSTONLY is non-nil, return the first key sequence found,\n\
+rather than a list of all possible key sequences.\n\
+If FIRSTONLY is t, avoid key sequences which use non-ASCII\n\
keys and therefore may not be usable on ASCII terminals. If FIRSTONLY\n\
is the symbol `non-ascii', return the first binding found, no matter\n\
what its components.\n\