Under the terms of the GNU Lesser General Public License, 
you are permitted to make changes to neon 0.28.3 sources for your own use, 
and Adobe delivers with the installed Adobe software the object code that links
with neon 0.28.6, as required by the GNU LGPL. 

You are also permitted to reverse engineer only those portions of the Adobe
software that link with and utilize neon 0.28.6 only to the extent necessary
to debug your changes to neon 0.28.6. Any other reverse engineering,
decompiling or use of utilities or tools to trace, probe, or reveal Adobe software
and trade secrets embodied therein, is expressly prohibited. Adobe software contains
valuable trade secrets and employs methods protected by patents of
Adobe Software Incorporated.

You can obtain a copy of the neon library source code from: http://www.webdav.org/neon/