Jilles Tjoelker fc0818fef3 sh: Detect an error for ${#var<GARBAGE>}.
In particular, this makes things like ${#foo[0]} and ${#foo[@]} errors
rather than silent equivalents of ${#foo}.

PR:		bin/151720
Submitted by:	Mark Johnston
Exp-run done by: pav (with some other sh(1) changes)
2011-05-04 21:49:34 +00:00
..