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Complain if -[DIU] is given an empty argument. (Like many compilers over the years, we don't accept the argument appearing in the next argv word.) Warn about this in the man page too.
author David A. Holland
date Tue, 11 Jun 2013 18:32:41 -0400
parents 66c7c05d6232
children a403605d3166
line wrap: on
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not implemented:
	- mode.input_allow_dollars.
	- column counts do not take tabstops into account.
	- mode.output_linenumbers.
	- mode.do_depend.
	- mode.do_macrolist.
	- mode.do_trace.
	- warns.endiflabels. (they cause errors)
	- warns.unused.	
	- the -iremap option.
	- #line directives.
	- $CPP_RESTRICTED
	- other environment variables

tidy up:
	- get rid of inlinedefs.h
	- use of places in and below macro.c is pretty bogus.
	- macro code should be reworked.

fix:
	- "#if 0 && 1/0" should not crash; fix eval method.
	- an unterminated comment is reported as "no newline at end of file"
	  (which isn't fatal by default)
	- the behavior of t26 is different here and in gcc -E -traditional