<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Hello, how are you.<DIV><BR class="khtml-block-placeholder"></DIV><DIV>How can I find the file which contains both \@startsection and \@starttoc?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Thank you, very much.<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; "><BR class="Apple-interchange-newline"><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; "><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><FONT class="Apple-style-span" color="#000080" face="Arial Hebrew"><B style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; "><BR class="khtml-block-placeholder"></B></FONT></DIV><DIV><FONT class="Apple-style-span" color="#000080" face="Arial Hebrew"><B style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; "><BR class="khtml-block-placeholder"></B></FONT></DIV><DIV><FONT class="Apple-style-span" color="#000080" face="Arial Hebrew"><B style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; "><BR class="khtml-block-placeholder"></B></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial Hebrew"><B style="font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="font-family: Arial Hebrew; font-weight: bold; "><FONT class="Apple-style-span" color="#000080"><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; ">Hugo Esquivel</SPAN></SPAN></FONT></SPAN></B></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial Hebrew"><B style="font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="font-family: Arial Hebrew; font-weight: bold; "><FONT class="Apple-style-span" color="#000080"><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; ">Student of Civil Engineering</SPAN></SPAN></FONT></SPAN></B></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial Hebrew"><B style="font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="font-family: Arial Hebrew; font-weight: bold; "><FONT class="Apple-style-span" color="#000080"><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; ">From: Universidad del Norte</SPAN></SPAN></FONT></SPAN></B></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial Hebrew"><B style="font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="font-family: Arial Hebrew; font-weight: bold; "><FONT class="Apple-style-span" color="#000080"><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial Hebrew; font-weight: bold; ">Colombia, Barranquilla</SPAN></SPAN></FONT></SPAN></B></FONT></DIV><DIV><FONT class="Apple-style-span" color="#000080" face="Baghdad"><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Baghdad; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Baghdad; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Baghdad; "><A href="mailto:hresquivelo10@gmail.com">hresquivelo10@gmail.com</A></SPAN></SPAN></SPAN></FONT></DIV></SPAN></SPAN><BR class="Apple-interchange-newline"></SPAN> </DIV><BR></DIV></BODY></HTML>