Abbreviation not shown correctly by long-short style (acronyms & glossary)

Question

If i have a acronym that it self has a glossary entry AND the acronymstyle set to long-short then the abbreviation is not shown.

MWE

\documentclass{scrreprt}

\usepackage[acronyms,nogroupskip,nonumberlist,toc,nopostdot]{glossaries}
\setacronymstyle{long-short} 

\makeglossaries

\newacronym{OBS}{OBS}{\gls{glsOBS}}

\newglossaryentry{glsOBS}{
    name={Organizational Breakdown Structure},
    description={test}
}

\begin{document}
    \gls{OBS}

    \printacronyms
    \printglossary
\end{document}

Result

Expected Result

If i remove the \setacronymstyle or the \gls{glsOBS} it works as expected.

Is this a bug? Or is there a solution?

Log output from \listfiles:

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dokumentation.acr
dokumentation.gls
 ***********

)

Answer 1

Is this a bug?

No, it's a documented feature. From Defining Glossary Entries:

Avoid using any of the \gls-like or \glstext-like commands within the text, first, short or long keys (or their plural equivalent) or any other key that you plan to access through those commands. (For example, the symbol key if you intend to use \glssymbol.) Otherwise you end up with nested links, which can cause complications and they won’t work with the case-changing commands. You can use them within the value of keys that won’t be accessed through those commands. For example, the description key if you don’t use \glsdesc. Additionally, they’ll confuse the entry formatting commands, such as \glslabel.

From Acronyms and Other Abbreviations:

Recall from the warning in §4 Defining Glossary Entries that you should avoid using the \gls-like and \glstext-like commands within the value of keys like text and first due to complications arising from nested links. The same applies to abbreviations defined using \newacronym.

For example, suppose you have defined:

\newacronym{ssi}{SSI}{server side includes}
\newacronym{html}{HTML}{hypertext markup language}

you may be tempted to do:

\newacronym{shtml}{S\gls{html}}{\gls{ssi} enabled \gls{html}}

Don’t! This will break the case-changing commands, such as \Gls, it will cause inconsistencies on first use, and, if hyperlinks are enabled, will cause nested hyperlinks. It will also confuse the commands used by the entry formatting (such as \glslabel).

Instead, consider doing:

\newacronym
[description={\gls{ssi} enabled \gls{html}}]
{shtml}{SHTML}{SSI enabled HTML}

or

\newacronym
[description={\gls{ssi} enabled \gls{html}}]   
{shtml}{SHTML}
{server side includes enabled hypertext markup language}

The reason why the problem isn't noticeable if you remove \setacronymstyle is related to this bit:

Additionally, they’ll confuse the entry formatting commands, such as \glslabel.

The newer method of using \setacronymstyle uses the new style of entry formatting that relies on \glslabel, which can't be scoped as the post-link hook needs to be able to both look forwards (for example, the discardperiod attribute requires this) and effectively look backwards, to know the information about the entry that has just been referenced. You can explicitly add the scoping yourself. For example:

\newacronym{OBS}{OBS}{{\gls{glsOBS}}}

However, this essentially just papers over the most noticeable symptom, whilst ignoring all the other associated problems that are listed in Nested Links.

The best solution is:

\newacronym
[description={\gls{glsOBS}}]
{OBS}{OBS}{Organizational Breakdown Structure}

The next best solution is:

\newacronym
[description={\gls{glsOBS}}]
{OBS}{OBS}{\glsentrytext{glsOBS}}

but don't use \Gls{OBS} with this method.

Alternatively, with glossaries-extra:

    \newacronym{OBS}{OBS}{\glsxtrtext{glsOBS}}

but, again, don't use \Gls{OBS}.