[Issue 20255] undefined identifier ascii in package std

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20255

--- Comment #3 from berni44 <bugzilla at d-ecke.de> ---
Maybe this is a Dlangide bug which is allready fixed? [1]

The strange thing is, that the fix happend before the issue was reported and
according to the attached log the version of Dlangide is one, where the issue
was allready fixed.

[1] https://github.com/buggins/dlangide/issues/398

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