man page erroneously describes the output as "HTML" when it is in fact just a fragment of HTML, requiring a head and foot to be pasted around it for it to be valid HTML.
--html Generates a HTML calendar suitable for display on a web page. The number of weeks
shown on the calendar can be adjusted with -c. You can use Cascading Style Sheets
(CSS) to change how the calendar appears. See /usr/share/doc/pal-#.#.#/example.css
for an example style. SECURITY NOTE: If you set up pal so it is being executed
server-side, it is recommended that you do not allow web page visitors to directly
change the parameters sent to pal. Allowing users to pass strange parameters (such
as extremely long ones) can be a security risk.
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Good point. I just committed this text to CVS:
--html Generates a HTML calendar suitable for display on
a web page. It does not generate a complete HTML document
so that you can add your website's header and footer
around the calendar. The number of weeks shown on the
calendar can be adjusted with -c. ....
I'm closing this bug, but let me know if you think text is
still misleading.