The PDL online database search is a powerful tool but
it would be useful to allow additional keywords, tags, ...
to be defined. This could help address the problem
of pattern searches not matching because of word
variants (e.g, integrate, integrale, integration).
An example I would like to see work:
pdl> apropos TOO LONG TO PRINT
$PDL::toolongtoprint The maximal size pdls to print (defaults to 10000 elements)