<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV>I am admittedly very embarrassed to be sending a third message today to this relatively quiet list on this same subject, but even so, I'm more embarrassed to acknowledge that I spent much of today doing little more than just trying to add brackets to diagrams I'd thought were already finished; and believe me, I would be considerably more embarrassed to try to explain to my tenure committee -- especially since I'm in a history department -- exactly how I spend my time! So please forgive me ...</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>In any case, I found that Ross Moore posted a wonderful solution to drawing brackets for matrices to this list on March 27, 2006:</DIV><DIV><BR class="khtml-block-placeholder"></DIV><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\newcommand{\circled}[1]{\xybox{*+[Fo]{\scriptstyle#1}}}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\newcommand{\labelrow}[1]{%</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\POS "#1,1"!L!D(.6),*+++{},\ar@{.}+/l1.5cm/*+!R!D(.4){\circled{#1}}\POS}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\def\xylbrack{\save="here",+UL+/l3pt/*@_{|},\ar@{-}"here"+DL+/l3pt/,*@_{|}\restore}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\def\xyrbrack{\save="here",+UR+/r3pt/*@_{|},\ar@{-}"here"+DR+/r3pt/,*@_{|}\restore}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\def\xybrack{\xylbrack \xyrbrack\POS}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\[</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\begin{xy}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">*!C\xybox{\xymatrix{</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">1 & 1 & 1 & 1 & 0 \\ 0 & 1 & -1 & 0 & 0 \\ 0 & 0 & 0 & 1 & 0</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">}\POS!C,\xybrack \labelrow{1} \labelrow{2} \labelrow{3}%</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">,"3,5"+/r.5cm/,\ar@/_3ex/"1,5"+/r.5cm/_{\circled{1}\,-\,\circled{3}}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">}\end{xy}</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">\]</DIV></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Unfortunately, this breaks the arrows between my two \xymatrix diagrams, described in my previous messages. Presumably the problem is the \xybox{}. I've experimented with different solutions, but it is difficult enough for me to try to follow what Ross did, much less modify it.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Again, I would very much appreciate any assistance in answering what I realize are relatively elementary questions,</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Roger</DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV>********************************</DIV><DIV><BR></DIV><DIV>Roger Hart</DIV><DIV>Assistant Professor, Departments of History and Asian Studies</DIV><DIV>University of Texas at Austin</DIV><DIV><BR></DIV><DIV>office: Room 470, Burdine Hall</DIV><DIV>office phone: 512-475-7258</DIV><DIV>department fax: 512-475-7222</DIV><DIV>email: <A href="mailto:rhart@mail.utexas.edu">rhart@mail.utexas.edu</A></DIV><DIV><A href="http://uts.cc.utexas.edu/~rhart">http://uts.cc.utexas.edu/~rhart</A></DIV><DIV><BR></DIV><DIV>*********************************</DIV><BR class="Apple-interchange-newline"></SPAN> </DIV><BR></BODY></HTML>