This is a relative sectionining package for LaTeX.
The normal LaTeX sectioning commands like \section,
\subsection and \chapter are replaced by \dynsection
whose effect depends on the use of \leveldown and
\levelup prior to the command. This makes restructuring
easier since whole passages can just be copy-and-pasted
to a new location at a different position in the
sectioning tree and just work, without having to change
all the \section etc. commands in the copied passage.
There is a \gotochapterlevel command that sets the
sectioning level to chapter for book-like document
classes and to section for article-like ones. This
allows switching back and forth between such document
classes, again without having to adapt the sectioning
commands.
\levelup and \leveldown accept an optional parameter.
So \leveldown[2] at section level will change to
subsubsection, just as if \leveldown\leveldown had
been used.
There is also an asection environment in case you prefer
\begin{asection} \end{asection} instead of loose \leveldown \levelup commands. The two types can
even be mixed although divine punishment will probably
occur.
This package uses ideas and code from answers to this question on Stackoverflow which I found when I was fed up from having to change my sectioning commands all the time due to constant restructuring of my text. http://stackoverflow.com/questions/2066119/relative-section-specification
The code is still crude and hasn't been tested with the
probably millions of combination of existing and non-existing
sectioning commands in various document classes and is
known not to make use of packages that provide new sectioning
commands such as \subsubsubsection.
The \TestRelativeSectioning macro is likely to produce one or more
error messages which is intended (testing the error messages, too)
and can just be skipped.