Sync with FreeBSD:
commitab6b07fb0fd3240f2ad8653270ff5307e0c22d52
authorpavalos <pavalos>
Thu, 4 Jan 2007 14:06:21 +0000 (4 14:06 +0000)
committerpavalos <pavalos>
Thu, 4 Jan 2007 14:06:21 +0000 (4 14:06 +0000)
tree3803ab06f0cc0bdc943fdf9463a2776054d62ca8
parent8dba4dc02f9d40abe6871b9793f848a4611dffd1
Sync with FreeBSD:

Implement missing shell arithmetic operators in $(()) expansion
and variable recognition.

Provide missing prototypes and variable declarations in arith.h.

Spelling/style fixes.
bin/sh/arith.h
bin/sh/arith.y
bin/sh/arith_lex.l
bin/sh/shell.h