Changes

ConTeXt offers the possibility to have mirrored headers (for odd and even pages); content can be in two parts, at the inner and outer margin of each page. But how do you get a header that will have one part of its content centered and one part in the outer margin? (This is a common setup for books: chapter title centered, page number in outer margin.) Hans posted this solution to the list:

The use of the TeX macros rlap and llap allows centering of content.

In the previous example, the chapter title and the section title were fetched with the macro <cmd>getmarking</cmd> which wraps around <cmd>fetchmark</cmd>.

You can replace <cmd>uppercase</cmd> by <cmd>WORD</cmd> and so on.

The following file gives a way to achieve marginal and centered headings for doublesided documents. Experiment to achieve other effects!