Item11198: SUBST not handling empty text properly

I am trying to use %SUBST to translate space characters to non-breaking spaces.

%SUBST{text="an expression ..." pattern=" " format=" "}%

This works well if the expression resolves to a non-empty string, however if the expression resolves to an empty string, trouble ensues:

%SUBST{text="" pattern=" " format=" "}%

EXPECTED: empty string

ACTUAL: It include the topic being viewed in the output of the SUBST call.

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Can't reproduce anymore. Seems fixed by now. Please reopen in case the error still persists.

-- Main.MichaelDaum - 09 Sep 2016 - 09:36

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