Can't use a dash after a formatter

[ph0boss]

• I have not tested the latest master version from http://builds.jabref.org/master/ as the gui doesn't start.

JabRef version 4.1 on fedora 27

Steps to reproduce:

1. Use a style with a formatter \edition like
   \begin{edition} \edition-th ed.- \end{edition}
   (I actually need a russian variant, the -th variant is here just for example)
2. The result is that only 'ed.' is printed
3. ...

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[stefan-kolb]

I guess the parsing of the instruction won't work as \edition is not recognized but \editon-th.
Where exactly is this used in the UI?

[ph0boss]

It is used in non-english bibliography entries. Russian in my case. E.g. I need the following:
13-е изд.
which in english means:
13th ed.