(the anchor is ignored), or about regular expressions like A** (the
second "*" is ignored). expr now exits with status 2 (not 3) for
errors it detects in the expression's values; exit status 3 is now
- used only for internal errors like arithmetic overflow.
+ used only for internal errors (such as integer overflow, which expr
+ now checks for).
ln now uses different (and we hope clearer) diagnostics when it fails.
ln -v now acts more like FreeBSD, so it generates output only when