Stefan Schulz

I have an issue somewhat related to this: If you add a % character to the title of a column, the replacement won't work at all: ``` .. needtable:: :columns:...

> Thanks for the report and good finding 👍 > > I think a fix should be easily possible by checking the keys for duplicates during the build. I thought...

Seems like this issue is caused by doxygen ~but has been fixed with the latest release.~ ~I tried building the example with the fixes supplied with #141 and everything worked...

Update: I've found the culprit of this issue. [\dot](https://www.doxygen.nl/manual/commands.html#cmddot) is a Doxygen command that should usually not be resolved inside [verbatims](https://www.doxygen.nl/manual/commands.html#cmdverbatim). I've retried again with Doxygen 1.9.8 vs 1.11.0 and...

I've done some digging and this line seems to be the problem: https://github.com/useblocks/sphinx-needs/blob/e5e370eb6047cbd8c23b3377a806a60c33f40b9d/sphinx_needs/directives/needflow/_graphviz.py#L160 Removing the ```relative``` argument fixes the issue for me when using ```graphviz_output_format = "svg"```.

> ah yeh I see, I tested this on needs within the same page, and it was working, but apparently not for needs on different pages. > > > Furthermore,...

> You mean if you set `graphviz_output_format="png"` the link is different? Yes, it appears to be the case. I'll see that I create a minimal example and provide it here.

I'll open a PR to supply this fix soon.

Weighing in here as well: Would this be an opportunity to get parallel processing working on NT systems? If possible, the rework could be done using [MPIRE](https://github.com/sybrenjansen/mpire). That way, the...