branches: 1.1.2;
Deprecate tests/util.

expr: use characters instead of bytes for ":" and "length"

Required by POSIX.

tests/expr: demonstrate character/byte mismatch

expr: improve portability, fix typo

Suggested by Robert Elz.

expr: ensure that the result of '|' is never empty

Required by POSIX since at least 2004.

tests/expr: merge and extend tests for operators

expr: only skip '--' once

expr: don't evaluate irrelevant conditions

tests/expr: demonstrate eager evaluation of '|' and '&'

tests/expr: reduce the amount of shell escaping

tests/expr: test the string length operator

branches: 1.7.2;
t_expr.sh: fix naming of head() of lang test case

Add 3 more expr(1) ATF tests detecting overflow

Verify 0 * INT.

Add a couple of new ATF expr(1) tests

Some of the newly covered test-cases contained regressions.

All tests pass.

Add 2 new expr(1) ATF tests

Assert that -9223372036854775808 % -1 and -9223372036854775808 / -1 return
message about overflow / underflow detected.

These tests pass correctly.

Sponsored by <The NetBSD Foundation>

branches: 1.3.2; 1.3.32;
Add a check for old PR bin/2486.

Note PR bin/12838.

Deprecate tests/util.