Pass characters following an escape to the underlying application.
Pass characters following an escape to the underlying application.

This fixes ALT+<n> key combination which is used for example in
irssi to switch between the different windows.

gridsystem/dvtmx,lotrfan/dvtm,seanyeh/dvtm,tgvaughan/dvtm,gridsystem/dvtmx,raedwulf/dvtm,raedwulf/dvtm,samaaron/dvtm,benjohnson2001/dvtm,raedwulf/dvtm,benjohnson2001/dvtm,delphinus35/dvtm,lotrfan/dvtm,benjohnson2001/dvtm,lotrfan/dvtm,seanyeh/dvtm,seanyeh/dvtm,medgar123/dvtm,medgar123/dvtm,armanbilge/dvtm,delphinus35/dvtm,tgvaughan/dvtm,tgvaughan/dvtm,samaaron/dvtm,medgar123/dvtm,armanbilge/dvtm