Le 10/10/2010 17:26, Gareth Hughes a écrit :
Paul Isambert wrote:
That one is harder. Line number are no simple matter with traditional TeX.
Question: does bidipoem starts a new paragraph with every line? Then
something might be doable with \everypar.
Just try this in the poem environment: \everypar{test}. If ``test''
appears at the beginning of every line, then I might try to find a
solution.
Hmm. Within the environment \everypar has no effect, but given outside
the traditional poem, but within the font changing environment, it
prints on each line including the the 'zeroth' line. I'm not sure if
this is the right way to do this, how might this work?
Ok, the following works on your file, but I don't know how robust it is:
%%%
\newcount\LineNumber \newcount\templinenumber
\newdimen\linenumberskip \linenumberskip=6em
\chardef\linestep=2
\def\poemlinenumber{%
\advance\LineNumber1
\templinenumber=\LineNumber
\computelinenumber
}
\def\computelinenumber{%
\ifnum\templinenumber>\linestep
\advance\templinenumber-\linestep
\expandafter\computelinenumber
\else
\ifnum\templinenumber=\linestep
\leavevmode\rlap{\kern\linenumberskip\the\LineNumber}%
\fi
\fi
}
\newenvironment{numberedpoem}
{\everypar{\everypar{\poemlinenumber}}%
\begin{traditionalpoem}}
{\end{traditionalpoem}}
%%%
You poem should now be enclosed in the "numberedpoem" environment.
You can change \linestep (on line 3) to any value; if it is set /n/,
every /n/th line number is printed.
You can change \linenumberskip (on line 2), which sets the distance of
the line number to the margin.
This is not thoroughly tested! Sorry for the syntax, it's not LaTeX-like
(but you made me -- although you didn't ask! -- download so many
packages so your file can work than I need a little revenge :) ).
Best,
Paul
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