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PDFlib PLOP - PDF Linearization, Optimization, Protection, Digital Signature
============================================================================

The PDFlib PLOP package contains two different products:

- PDFlib PLOP (PDF Linearization, Optimization, Protection):
  offers a straightforward way to linearize and optimize your PDF files for 
  fast Web delivery. In addition, you can apply or remove Acrobat 
  security features to your PDFs. Finally, PLOP can be used to insert
  or extract document information entries and XMP metadata.

- PDFlib PLOP DS (Digital Signatures):
  contains all features of PLOP plus the ability to apply digital signatures
  to PDF documents.

The PDFlib PLOP distribution is available from www.pdflib.com.

PDFlib PLOP is available on a wide variety of operating system platforms,
and supports many programming languages and development environments:

- C and C++
- COM for use with VB, ASP, Windows Script Host, and many others
- Java via the JNI, including servlets and JSP
- .NET framework for use with VB.NET, ASP.NET, C# and others
- Objective-C
- Perl
- PHP
- Python
- Ruby

As an alternative to the PLOP/PLOP DS library the PLOP/PLOP DS command-line
tool can be used without any programming.

An overview of PDFlib PLOP and PLOP DS features can be found in the
combined PLOP and PLOP DS Manual.


Binary Packages
===============
PDFlib PLOP and PDFlib PLOP DS are available in binary form, and require
a commercial license. Both products are available in a single library or
command-line program, and can be evaluated without any license. However,
unless a valid license key is applied some features are restricted.
For more information, see the PDFlib PLOP Reference Manual. The binary
packages support various language bindings, and also contain a
command-line tool.


PDFlib PLOP resources
=====================
In addition to the PDFlib PLOP Reference Manual the following resources
are available:

- The PDFlib mailing list discusses PDFlib deployment in a variety of
  environments. You can access the mailing list archives over the Web,
  and don't need to subscribe in order to use it:
  http://tech.groups.yahoo.com/group/pdflib

- Commercial PDFlib PLOP licensees are eligible to standard product
  support from PDFlib GmbH. Please send your inquiry along with your
  PDFlib PLOP license number to support@pdflib.com.

- Customers with a valid support contract can benefit from additional
  advantages, including short response times and free minor and major
  updates; see our Web site for details.


Submitting Bug Reports
======================
In case of trouble you should always check the PDFlib Web site in order
to see whether your problem is already known, or a patch exists.  Otherwise
please observe the following:

If you have trouble with running PDFlib PLOP, please send the following
information to support@pdflib.com:

- a description of your problem
- the platform in use
- the PDFlib PLOP version number you are using
- the language binding you are using, along with relevant version numbers
- relevant code snippets for reproducing the problem, or a small PDF file
  exhibiting the problem if you can't construct a code snippet easily
- sample input data if necessary
- details of the PDF viewer (if relevant) where the problem occurs


Licensing
=========
Please contact us if you are interested in obtaining a commercial license:

PDFlib GmbH
Licensing Department
Franziska-Bilek-Weg 9, 80339 Munich, Germany
www.pdflib.com
fax +49/89/452 33 84-99

License inquiries: sales@pdflib.com
Support requests: support@pdflib.com