tx_indexedsearch - How to include or exclude content from indexing

To control which content is included or excluded from indexed search indexing you can use the following markers as HTML comments:

The markers are 
and 

Rules:

If there is no marker at all, everything is included.
If the first found marker is an “end” marker, the previous content until that point is included and the preceeding code until next “begin” marker is excluded.
If the first found marker is a “begin” marker, the previous content until that point is excluded and preceeding content until next “end” marker is included.