Update paragraph 4 of the FLTK license exemptions; basically, justify/

explain the reason for specifying a program uses FLTK, and drop the
requirement for include the FLTK license...


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1834 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 23 insertions, 16 deletions

diff --git a/COPYING b/COPYING
index 544d594be..0dd0e80d3 100644
--- a/COPYING
+++ b/COPYING
@@ -1,36 +1,43 @@
                              FLTK License
-                         Ammended May 4, 2001
+                           December 11, 2001
 
-The following ammendments to the GNU Library General Public
-License apply for the FLTK library:
+The FLTK library and included programs are provided under the terms
+of the GNU Library General Public License (LGPL) with the following
+exceptions:
 
     1. Modifications to the FLTK configure script, config
        header file, and makefiles by themselves to support
        a specific platform do not constitute a modified or
-       derived work.
+       derivative work.
 
        The authors do request that such modifications be
        contributed to the FLTK project - send all
        contributions to "fltk-bugs@fltk.org".
 
     2. Widgets that are subclassed from FLTK widgets do not
-       constitute a derived work.
+       constitute a derivative work.
 
     3. Static linking of applications and widgets to the
-       FLTK library does not constitute a derived work
+       FLTK library does not constitute a derivative work
        and does not require the author to provide source
        code for the application or widget, use the shared
        FLTK libraries, or link their applications or
-       widgets against a user version of FLTK.
-
-       If the author links the application or widget to a
-       modified version of FLTK, then the changes to FLTK
-       must be provided under the terms in sections 1, 2,
-       and 4.
-
-    4. Authors that develop applications and widgets that
-       use FLTK must include the following statement in
-       their user documentation:
+       widgets against a user-supplied version of FLTK.
+
+       If you link the application or widget to a modified
+       version of FLTK, then the changes to FLTK must be
+       provided under the terms of the LGPL in sections
+       1, 2, and 4.
+
+    4. You do not have to provide a copy of the FLTK license
+       with programs that are linked to the FLTK library, nor
+       do you have to identify the FLTK license in your
+       program or documentation as required by section 6
+       of the LGPL.
+
+       However, programs must still identify their use of FLTK.
+       The following example statement can be included in user
+       documentation to satisfy this requirement:
 
            [program/widget] is based in part on the work of
            the FLTK project (http://www.fltk.org).