Yoshihiro Takahashi 0666aaddde MFC: r342964
Sync with OpenBSD.

  bc.y: Rev 1.50
  - write parse errors to stderr, prompted by Martijn Dekker
  - we're only interactive if stdout en stderr are a tty as well as stdin

PR:		234430
Obtained from:	OpenBSD
2019-01-27 13:58:06 +00:00
..
2017-02-17 11:20:55 +00:00
2019-01-27 13:58:06 +00:00
2015-11-22 02:43:14 +00:00
2015-11-22 02:43:14 +00:00