PyLucid generate permalinks for every page. You should use the permalink for internal links. Because a permalink remains unchanged in most cases. (Only if the page would be deleted, the permalink don't work.)
A permalink url is a generated permanent links to a
cms page. It looks like this:
yourdomain.tld/permalink/1/index/
PyLucid makes a redirect to the related page on the basis of page ID in the url. The appended page information makes only the permalink url a little more human-readable. You can setup in the preferences witch information are appended to every link.
First you should add a permalink into the global template. So you can copy&paste the links easy.
You can insert something like this into the global template:
Insert a link like this:
with creole markup looks like this: