in reply to
tagging PDFs with keywords and filtering them later
Take CAM::PDF's rewritepdf.pl and modify it to add "Keywords:" , and send the author a patch :)
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (138 votes),