[Docutils-develop] [docutils:bugs] #502 Duplicate target not always recognized.

[Günter M. <mi...@us...>]

- **status**: open --> open-fixed
- **Comment**:

Fixed in Docutils 0.22. 
Commit [r10176]  makes targets from hyperlink references with embedded URI or alias implicit.



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**[bugs:#502] Duplicate target not always recognized.**

**Status:** open-fixed
**Created:** Tue Jun 03, 2025 09:33 AM UTC by Günter Milde
**Last Updated:** Mon Jun 16, 2025 01:02 PM UTC
**Owner:** nobody


Hyperlinks with embedded alias generate both, a `<reference>` and a `<target>`. 
This allows simple references to the target:
~~~
See `here <example.html>`_.

As we have shown here_, ...
~~~
However, it may lead to duplicates:
~~~
_`Here` is an explicit inline target.

See `here <example.html>`_.

As we have shown here_, ...
~~~
The second target gives a WARNING `Duplicate explicit target name: "here".`
Using the reference name results in an ERROR `Duplicate target name, cannot be used as a unique reference: "here".`

However (in versions up to 0.22.rc2), the duplicate target is ignored in case of **embedded internal** targets:
~~~
_`Here` is an explicit inline target.

See `here <elsewhere_>`_.

As we have shown here_, ...

The target is _`elsewhere`.
~~~
There is no WARNING or ERROR and both references link to "elsewhere".

This is fixed in [r10151].


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