Note: more white space characters are allowed in Paratext 9 but are not selectable in the UI and
are not supported as thoroughly as these characters are. See isWhiteSpace for more
information.
This function is a direct translation of CharExtensions.IsInvisibleCharOrWhitespace from
ParatextData.dll
Parameters
ch: string
Single character or a string of characters
Returns boolean
true if the string consists of one or more Paratext-9-selectable invisible characters
or white space characters and no other characters, false otherwise
Determines whether a string contains one or more Paratext-9-selectable invisible characters or white space characters and no other characters.
The set of characters tested is SELECTABLE_INVISIBLE_CHAR_OR_WHITESPACE_CLASS.
Note: more white space characters are allowed in Paratext 9 but are not selectable in the UI and are not supported as thoroughly as these characters are. See isWhiteSpace for more information.
This function is a direct translation of
CharExtensions.IsInvisibleCharOrWhitespacefromParatextData.dll