Re: "sed --debug" feature

[Assaf Gordon]

Hello Eric, Jim,

On 27/07/18 07:00 AM, Eric Blake wrote:
> On 07/27/2018 05:28 AM, Assaf Gordon wrote:
> > While investigating the two recent bugs [1][2],
> > I developed some debugging code for sed, which makes
> > troubleshooting much easier.

> I think it is actually fine for mainline - the number of user bugs we've 
> been able to identify with 'sort --debug', and more recently 'date 
> --debug', makes things like this worth their weight in gold.

That's a good point.

Attached is an improved patch:
- debug is always compiled (no more ./configure --enable-debugging ,
  which is discouraged for gnu programs)
- debug output goes to stdout (like sort)
- added mention in the manual

comments welcomed,
 - assaf

0001-sed-add-debug-feature.patch.gz
Description: application/gzip