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In the memoir class, how can I modify the format for the ell chapter style. In the manual, the code is not listed (unlike the other styles).

screendump

Basically in the above, all I want to do is make the horizontal and vertical line a little thicker and of a different colour.

I have been through the source code of the memoir package, but cannot find where the code is for this particular chapter style.

  • In memoir.cls (version: 2016/05/16 v3.7f), I have \makechapterstyle{ell}{% at line 3321. – jon Mar 8 '17 at 22:32
  • Well I just downloaded the source from ctan.org/tex-archive/macros/latex/contrib/memoir, and it doensn't contain a memoir.cls file. What am I missing? – Nicholas Hamilton Mar 9 '17 at 2:39
  • Do you have memoir.ins? Run latex memoir.ins. But why are you downloading from CTAN? What version of memoir are you currently using? – jon Mar 9 '17 at 2:47
  • I figured it out. Just looked for the local version installed by mactex, I thought downloading would be more convenient, as I just wanted to find the macro to redefine, anyway all good. – Nicholas Hamilton Mar 9 '17 at 4:57
  • So would you be so kind and post it as an answer and accept it? Otherwise it appears under the unanswered questions – jjdb May 5 '17 at 10:23
1

This is how I ended up modifying it, the \chs@ell@helper command needed redefining:

%Modify the fancy chapter lines.
\makeatletter
    \usepackage{array}
    \newcolumntype{?}{!{\verticalrule}}
    \renewcommand\chs@ell@helper[1]{%
      \par%
        \begin{adjustwidth}{}{-\chapindent}
          \begin{tabularx}{\linewidth}{>{\raggedleft\arraybackslash}X?}%|emacs
            \leavevmode\chapnumfont #1\vphantom{1}%
            \hspace*{3.6pt}%
            \color{blue!50!black}\rule[-13.5pt]{0pt}{14.8mm}%
            \\%
            \midrule %\hline%
          \end{tabularx}%
        \end{adjustwidth}%
        \par%
      }%
\makeatother

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