sed(1) 'y' command incorrectly ignore last character.

[Takehiko NOZAKI]

try following:

$  echo -n a | sed 'y/a/b/'

from FreeBSD:

https://svnweb.freebsd.org/base?view=revision&revision=98743 Fix off by one in `y' (transliterate) command which caused the last character of the pattern space not to be examined.

Noticed by: Motoyuki Konno [e-mail]

[Takehiko NOZAKI]

BUGFIX: Issue #135 -- off-by-one, 'y' command ignore last input character.

patch taken from FreeBSD: https://svnweb.freebsd.org/base?view=revision&revision=98743

Fix off by one in `y' (transliterate) command which caused the last character of the pattern space not to be examined.

Noticed by: Motoyuki Konno [e-mail]

→ <<cset 28918126a4e8>>