[pca] PCA htmlcorrectout - patch

[Petr Klíma]

>> This patch makes the output correct HTML. The plain text output is
>> attachet to HTML page header.
>
> Thanks for the report and the patch - I added it (with some 
> modifications) to the development version of PCA which can be 
> downloaded from:

Hmm, your solution is much more elegant ...

I would prefer the additional output below the H2 header, not before.
But it is just matter of opinion.

Thank you

Petr