K 10
svn:author
V 6
jilles
K 8
svn:date
V 27
2010-12-18T23:03:51.884939Z
K 7
svn:log
V 246
sh: arith: Disallow decimal constants starting with 0 (containing 8 or 9).

Constants in arithmetic starting with 0 should be octal only.

This avoids the following highly puzzling result:
  $ echo $((018-017))
  3
by making it an error instead.

END