 a numeric Unicode character.
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<B>Tcl_UniCharIsGraph</B> tests if the character is any Unicode print character except space.
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<B>Tcl_UniCharIsLower</B> tests if the character is a lowercase Unicode character.
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<B>Tcl_UniCharIsPrint</B> tests if the character is a Unicode print character.
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<B>Tcl_UniCharIsPunct</B> tests if the character is a Unicode punctuation character.
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<B>Tcl_UniCharIsSpace</B> tests if the character is a whitespace Unicode character.
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<B>Tcl_UniCharIsUpper</B> tests i