diff -up ksh-20120801/src/cmd/ksh93/edit/emacs.c.tabfix ksh-20120801/src/cmd/ksh93/edit/emacs.c

--- ksh-20120801/src/cmd/ksh93/edit/emacs.c.tabfix	2012-07-17 22:44:44.000000000 +0200

+++ ksh-20120801/src/cmd/ksh93/edit/emacs.c	2013-03-07 15:58:59.902161711 +0100

@@ -1011,10 +1011,13 @@ static int escape(register Emacs_t* ep,r

 					ep->ed->e_tabcount=0;

 				else

 				{

+					int oldi = i;

 					i=ed_getchar(ep->ed,0);

 					ed_ungetchar(ep->ed,i);

-					if(isdigit(i))

+					if(isdigit(i) && oldi=='=')

 						ed_ungetchar(ep->ed,ESC);

+					else if (isdigit(i) || i=='\t')

+						ep->ed->e_tabcount=0;

 				}

 			}

 			else