docs: use rst footnotes instead of manual ones

Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4630>

diff --git a/docs/license.rst b/docs/license.rst
index 4fdbf2db675f2ea37a0fd0e90955eb2180fdb509..c0bd77ac62bb4990ae5821881a6d5bb9254d3316 100644 (file)
--- a/docs/license.rst
+++ b/docs/license.rst
@@ -5,8 +5,7 @@ Disclaimer
 ----------
 
 Mesa is a 3-D graphics library with an API which is very similar to that
-of
-`OpenGL <https://www.opengl.org/>`__\ :sup:`[`\ `1 <#trademark>`__\ :sup:`]`.
+of `OpenGL <https://www.opengl.org/>`_ [1]_.
 To the extent that Mesa utilizes the OpenGL command syntax or state
 machine, it is being used with authorization from `Silicon Graphics,
 Inc. <https://www.sgi.com/>`__\ (SGI). However, the author does not
@@ -18,8 +17,8 @@ licensed vendor.
 Please do not refer to the library as *MesaGL* (for legal reasons). It's
 just *Mesa* or *The Mesa 3-D graphics library*.
 
-[1]: OpenGL is a trademark of `Silicon Graphics
-Incorporated <https://www.sgi.com/>`__.
+.. [1] OpenGL is a trademark of `Silicon Graphics
+       Incorporated <https://www.sgi.com/>`__.
 
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