[Issue 19351] add code folding for case statements

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19351

Rainer Schuetze <r.sagitario at gmx.de> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Rainer Schuetze <r.sagitario at gmx.de> ---
added in https://github.com/dlang/visuald/releases/tag/v0.48.0-rc1

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