From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Sun, 23 Apr 2017 12:18:20 +0000 (+0100)
Subject: tws.h: Remove redundant TW_SZONE and TW_SZNIL bit-masks.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/4db310433eb20ec95643299b0d14fefaea44b8bd?ds=inline;hp=4db310433eb20ec95643299b0d14fefaea44b8bd

tws.h: Remove redundant TW_SZONE and TW_SZNIL bit-masks.

TW_SZONE is a mask of one bit that can either be 0, TW_SZNIL, or set,
TW_SZEXP.  Rather than three macros for the single  bit, have one,
TW_SZEXP.  Simplifies the test too when the mask is known to be one-bit
wide.
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