Writing documentation with DocBook-XML 4.3

There are two ways to include mathematical formulae as inlines within a paragraph.

If your expressions are relatively simple, you can enclose them inside an element like this:

<phrase role="math">…</phrase>

This will show all letters in italics. Here is an example:

Here is the source for that example:

    We must prove that
    <phrase role='math' >a<superscript >2</superscript
    >&lt;b<subscript >x</subscript ></phrase >
    for all cases.