[pdftex] Commenting on PDFs

James Quirk jjq at galcit.caltech.edu
Thu Nov 8 16:58:46 CET 2007

On Thu, 8 Nov 2007, Duncan Hothersall wrote:

> Odd that you couldn't find an answer going through the archives, because 
> this question comes up every few months; when I searched on "comments" I 
> got several hits which answered this FAQ.
> The answer is no, you can't enable commenting with pdftex.

I gave an answer to this a while back on comp.text.tex:


and as an update it has to be said that the approach I used in Perl could 
easily be reimplemented in Lua and run from LuaTeX. However, I do not 
believe it is legal to do so. As an aside, I actually prefer to annotate 
PDF's using a custom markup language, rather than Adobe's gui. 
For details, see:

Moreover, now that I have program folds working in LuaTeX, fold::markup 
will one day be available from Latex i.e. no Amrita needed. I say one day 
as I'm waiting on some LuaTeX internals to sort themselves out. In the 
meantime I'm working on a document that describes how I added 
re-entrant, program-folds to LuaTeX. Progress is much slower than I would 
have hoped, but a draft should be available this side of Christmas 
(sorry Hans, Taco, Victor I got carried away with walkthrough directory 
listings and other novelties, so my original estimate was wildly inaccurate).


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