This template is made to be used at the bottom of each section-page of the LaTeX book.
Usage: Sjabloon:Tlx produces a horizontal bar with links to LaTeX/Prevpage and LaTeX/Nextpage, that looks like this:
Either parameter can be empty, in which case that element is omitted from the bar (so that this template can be used on the first and last sections of the book). Sjabloon:Tlx would look like
while Sjabloon:Tlx would look like