WESM zl Management and Configuration Guide WT.01.28 and greater

B-38
License Statements
changing the library, is in some sense simply using the library, and is
analogous to running a utility program or application program. However,
in a textual and legal sense, the linked executable is a combined work, a
derivative of the original library, and the ordinary General Public
License treats it as such.
Because of this blurred distinction, using the ordinary General Public
License for libraries did not effectively promote software sharing,
because most developers did not use the libraries. We concluded that
weaker conditions might promote sharing better.
However, unrestricted linking of non-free programs would deprive the
users of those programs of all benefit from the free status of the
libraries themselves. This Library General Public License is intended to
permit developers of non-free programs to use free libraries, while
preserving your freedom as a user of such programs to change the free
this as regards changes in header files, but we have achieved it as
regardslibraries that are incorporated in them. (We have not seen how to
achieve changes in the actual functions of the Library.) The hope is
that this will lead to faster development of free libraries.
The precise terms and conditions for copying, distribution and
modification follow. Pay close attention to the difference between a
"work based on the library" and a "work that uses the library". The
former contains code derived from the library, while the latter only
works together with the library.
Note that it is possible for a library to be covered by the ordinary
General Public License rather than by this special one.
GNU LIBRARY GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License Agreement applies to any software library which contains
a notice placed by the copyright holder or other authorized party saying
it may be distributed under the terms of this Library General Public
License (also called "this License"). Each licensee is addressed as
"you".
A "library" means a collection of software functions and/or data prepared
so as to be conveniently linked with application programs (which use some
of those functions and data) to form executables.