latex.engine.options
latex.engine.options Extra arguments to pass to the TeX engine

## Description

This parameter enables to pass some options or extra arguments to the TeX engine used to compile the latex file built by `dblatex`.

This can be usefull to tweak the PDF generation to meet some specific needs that cannot be set through latex commands. The following example asks to `xelatex` to produce PDF version 1.3 and to embed all the fonts in the PDF file:

    $ dblatex -b xetex -V -P latex.engine.options="-output-driver='xdvipdfmx -V3 -E'" file.xml
    [...]
    xelatex -output-driver=xdvipdfmx -V3 -E -interaction=batchmode file.tex
    [...]
    xelatex -output-driver=xdvipdfmx -V3 -E -interaction=batchmode file.tex
    [...]