Free Book About PHP Available
Janina Sajka
janina at afb.net
Sun Mar 3 12:46:00 EST 2002
Brian:
There are patches to get around the printing restriction. See the Adobe
Remedies page at http://www-2.cs.cmu.edu/~dst/Adobe/Gallery/
And, if the copyright police come knocking on your door, call me. As a
blind person in the U.S., you have a right to these files.
On Sun, 3 Mar 2002, Brian Borowski wrote:
>
> There are certainly pdf files that I cannot convert, for two main reasons.
> Either, there are some unknown character sets that pdftotext can't figure
> out how to deal with, or printing is not allowed. The problem is, that if
> printing isn't allowed, then we can't even convert them to display at all
> and therefore, we can't read them. I will try and find out how to get
> around this restriction, because it does not apply in our case, anyway.
>
> Brian
>
>
> On Sat, 2 Mar 2002, Janina Sajka wrote:
>
> > Brian:
> >
> > The XPDF home page at http://www.foolabs.com/xpdf/cracking.html says the
> > following:
> >
> >
> > "If any security features are turned on by the creator of a PDF
> > document, the PDF file will be encrypted. These
> > security features let an author disallow printing, copying
> > text/graphics, editing, and/or adding annotations.
> >
> > "The Xpdf package honors these permission settings. Specifically:
> > * xpdf will not copy/paste from a PDF file which disallows copying
> > text/graphics
> > * xpdf and pdftops will not print (convert to PostScript) a PDF file
> > which disallows printing
> > * pdftotext will not convert a PDF file which disallows copying
> > text/graphics
> > * pdfimages will not extract images from a PDF file which disallows
> > copying text/graphics
> >
> > "I occasionally get email asking if I can explain how to crack a PDF
> > file, or if I can help decrypt a PDF file. I won't
> > help these people because I believe that an author's requests relating
> > to the use of his/her work should be honored."
> >
> > Of course, there are patches out there to inhibit these restrictions and a
> > soon to be published paper from AFB will demonstrate that people who are
> > blind have the legal right in the U.S. to circumvent such measures. Some
> > of these patches are referenced at the page entitled "A Gallery of Adobe
> > Remedies," which is at http://www-2.cs.cmu.edu/~dst/Adobe/Gallery/, though
> > I have not succeeded in getting the ones I've tried to work.
> >
> > Are you saying that the Debian distribution of XPDF inhibits these
> > restrictions by default?
> >
> >
> > On Sat, 2 Mar 2002, Brian Borowski wrote:
> >
> > > There are no problems in converting this book. Here's an easy recipe.
> > >
> > > * Assume you are running that most superb distribution of linux known as
> > > debian; there's been a couple of nasty things said about debian recently by
> > > a couple of people on here...
> > >
> > > * and you don't have xpdf installed, then do:
> > > apt-get install xpdf
> > >
> > > * then:
> > > xpdf 1893115852_xx.pdf
> > > for each chapter.
> > >
> > > * You will end up with .txt files which are quite readable; though, they
> > > have a little bit of leading space at the start of the lines, but
> > > then:
> > >
> > > you could strip these with a one-line perl script like
> > >
> > > perl -pe 's/^\s+//;' input-file >output-file
> > >
> > > or something like that...
> > >
> > > Brian Borowski
> > >
> > >
> > > On Fri, 1 Mar 2002, Janina Sajka wrote:
> > >
> > > > ---------- Forwarded message ----------
> > > > From: Hollie Fischer <hollie_fischer at apress.com>
> > > >
> > > > Good Afternoon from Apress!
> > > >
> > > > We have made available for free download "A Programmer's Introduction to PHP
> > > > 4.0" by Jason Gilmore. To download a copy of the book for FREE, please
> > > > visit www.apress.com/books/electronic/1893115852/.
> > > >
> > > > Forward this email to anyone in your user group, circle of friends, or place
> > > > of business who would find a free copy of this book useful and, feel free to
> > > > pass along your thoughts on free downloads of Apress books.
> > > >
> > > > Kind Regards,
> > > > Hollie
> > > >
> > > > Hollie Fischer
> > > > Apress Public Relations Assistant
> > > > 901 Grayson Street Suite 204
> > > > Berkeley CA 94710
> > > > phone 510.549.5938
> > > > fax 510.549.5939
> > > > www.apress.com
> > > > Visit our online catalog today!
> > > >
> > > > _______________________________________________
> > > > dclug mailing list
> > > > dclug at tux.org
> > > > http://www.tux.org/mailman/listinfo/dclug
> > > >
> > > >
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> >
> > --
> >
> > Janina Sajka, Director
> > Technology Research and Development
> > Governmental Relations Group
> > American Foundation for the Blind (AFB)
> >
> > Email: janina at afb.net Phone: (202) 408-8175
> >
> > Chair, Accessibility SIG
> > Open Electronic Book Forum (OEBF)
> > http://www.openebook.org
> >
> >
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> >
>
>
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--
Janina Sajka, Director
Technology Research and Development
Governmental Relations Group
American Foundation for the Blind (AFB)
Email: janina at afb.net Phone: (202) 408-8175
Chair, Accessibility SIG
Open Electronic Book Forum (OEBF)
http://www.openebook.org
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