<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>Hello all,</div><div><br></div><div><br></div><div>Could anybody please help me with the following? I am working on a relatively simple .mp file with the expressg package.</div><div><br></div><div>This is the source:</div><div><br></div><div><source></div><div><br></div><div><div>input expressg</div><div>verbatimtex</div><div>etex</div><div>beginfig(1);</div><div>pickup thickpen;</div><div>z0 = origin;</div><div>drawroundedbox(0,3cm,2cm,3mm)(btex Home etex);</div><div>z2 - z0 = (0,-7cm);</div><div>drawroundedbox(2,3cm,2cm,3mm)(btex Chanson etex);</div><div>drawnormalCA(0bm,2tm);</div><div>z3 - z2 = (-7cm,0);</div><div>drawroundedbox(3,3cm,2cm,3mm)(btex Educatie etex);</div><div>VhV(0bm,3tm);</div><div>drawnormalfourCA(0bm,0bm.vhv,3tm.vhv,3tm);</div><div>z4 - z2 = (7cm,0);</div><div>drawroundedbox(4,3cm,2cm,3mm)(btex Contemporain etex);</div><div>VhV(0bm,4tm);</div><div>drawnormalfourCA(0bm,0bm.vhv,4tm.vhv,4tm);</div><div>z5 - z2 = (0,-4cm);</div><div>drawdrum(5,3cm,2cm)(btex Content etex);</div><div>drawnormal(2bm,5tm);</div><div>VhV(4bm,5tm);</div><div>drawnormalfour(4bm,4bm.vhv,5tm.vhv,5tm);</div><div>%VhV(3bm,5tm);</div><div>%drawnormalfour(3bm,3bm.vhv,5tm.vhv,5tm);</div><div>endfig;</div><div>end;</div><div><br></div><div></source></div></div><div><br></div><div>(The schema is symetric.)</div><div> When I uncomment the two commented lines at the end of the file, the metapost engine issues an error message:</div><div><br></div><div><br></div><div><div>! Redundant equation.</div><div><to be read again> </div><div> ;</div><div>VhV->y(SUFFIX1)vhv=1/2[y(SUFFIX0),y(SUFFIX1)];</div><div> x(SUFFIX1)vhv=x(SUFFIX1);z(SUF...</div><div>l.24 VhV(3bm,5tm)</div><div> ;</div><div>? </div><div><br></div></div><div>The message is also issued when I swap the two last VhV/drawnormalfour pairs. </div><div><br></div><div>Can anybody please enlighten me on what I am doing wrong?</div><div><br></div><div>Thanks!</div><div><br></div><div><br></div><div><br></div><div><br></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; 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; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; 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; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; 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; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><div><b><br class="Apple-interchange-newline"><font class="Apple-style-span" face="Helvetica-Bold">Bas Dekker </font></b></div><div><font class="Apple-style-span" face="Helvetica-Bold" size="2"><span class="Apple-style-span" style="font-size: 10px; "><b>(sub-account voor TeXniek)</b></span></font></div><div><br class="webkit-block-placeholder"></div><div><font class="Apple-style-span" size="2">Vooruitstraat 109</font></div><div><font class="Apple-style-span" size="2">NL 1441 GH Purmerend</font></div><div><font class="Apple-style-span" size="2"><br class="webkit-block-placeholder"></font></div><div><font class="Apple-style-span" size="2">+31 (0)6 25 00 32 78</font></div><div><font class="Apple-style-span" size="2"><br class="webkit-block-placeholder"></font></div><div><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px; "><a href="mailto:texnics@digifuga.nl">texnics@digifuga.nl</a></span></font></div><div><br class="webkit-block-placeholder"></div></div><div><br></div><div><br class="webkit-block-placeholder"></div></span><br class="Apple-interchange-newline"></div></span><br class="Apple-interchange-newline"></div></span><br class="Apple-interchange-newline"> </div><br></body></html>