<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV>Please ignore at least parts of my previous message. I managed to figure out how to set the parentheses properly, without interfering with the arrows between the two \xymatrix diagrams. I altered the code in my previous message by adding brackets around the first \xymatrix, and appending "**\frm{(}**\frm{)}":<DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>\xy%</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>{\xymatrix"*"@1@=0mm@M=0mm@R=.5mm@C=.5mm{#1}}**\frm{(}**\frm{)}%</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>\POS(#2,#3)%</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>\xymatrix@1@=0pt@M=0pt@R=.5mm{#4}%</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>\endxy}}}\]}</DIV></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV></DIV></BODY></HTML>