paragraphindent=asis warning message

[aidan]

1. create a file named "a.texi"
2. run:

    texi2any --set-customization-variable paragraphindent=asis --info a.texi

3. the following warnings appear:

Argument "asis" isn't numeric in numeric gt (>) at
/usr/local/share/texi2any/Texinfo/Convert/ParagraphNonXS.pm line 177.
Argument "asis" isn't numeric in numeric ge (>=) at
/usr/local/share/texi2any/Texinfo/Convert/PlaintextNonXS.pm line 4042.