ters:</B><DD><CODE>cs</CODE> - character sequence to map to position offsets (advancement adjustments)<DD><CODE>script</CODE> - a script identifier<DD><CODE>language</CODE> - a language identifier<DD><CODE>fontSize</CODE> - font size
<DT><B>Returns:</B><DD>array (sequence) of 4-tuples of placement [PX,PY] and advance [AX,AY] adjustments, in that order,
 with one 4-tuple for each element of glyph sequence, or null if no non-zero adjustment applies</DL>
</DD>
</DL>
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<A NAME="performPositioning(java.lang.