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pp_ctl.c: Use isCNTRL instead of hard-coded mask
authorKarl Williamson <public@khwilliamson.com>
Mon, 4 Feb 2013 21:22:02 +0000 (14:22 -0700)
committerKarl Williamson <public@khwilliamson.com>
Thu, 29 Aug 2013 15:55:48 +0000 (09:55 -0600)
commit077dbbf3d59ab49208d31bc4c46823f66b78b02a
tree716ec147e9938450d8dea1213b0ee53b76285759
parent18712bce21cd3a4cc828cabeb9b4983ce37d2b69
pp_ctl.c: Use isCNTRL instead of hard-coded mask

This is clearer and portable to EBCDIC.

There is a subtle difference in the behavior here, which I believe is a
bug fix.  Before, the code didn't treat DEL as a control, and now it
does.
pp_ctl.c