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Date:	Fri, 10 Feb 2017 22:46:01 +0100 (CET)
From:	Roland Lutz <rlutz AT hedmen DOT org>
To:	"John Griessen (john AT ecosensory DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Subject:	Re: [geda-user] large difference in gnetlist error message between
	versions.
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On Fri, 10 Feb 2017, Roland Lutz wrote:
> your mail makes me aware of one thing I haven't thought about before: 
> gnetlist doesn't touch the output file any more if there were netlisting 
> errors because the generated file is probably broken and shouldn't 
> replace the old file.  For DRC backends, however, it is probably 
> desireable to overwrite the existing output even if there were errors.
>
> How do you suggest solving this?  Should a backend whose name starts 
> with “drc” always force an output file to be generated, even if there 
> have been netlisting errors?

I committed a fix to master which implements this.

gnetlist doesn't add a refdes=U? attribute to invalid symbols any more, 
though, in order to avoid subsequent errors.  This means you wont't get a 
warning about a non-numbered part in the DRC output once the original 
error message has been printed.

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