X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=hacks%2Fconfig%2Fsurfaces.xml;h=f4b4cab3676f08444a5470fbc3c1f4e406b87fa5;hb=d1ae2829ff0fd2a96c16a0c8c5420efaa47d7b30;hp=d7922242c72e051f1e2ac9840decaea29b6a810a;hpb=f8cf5ac7b2f53510f80a0eaf286a25298be17bfe;p=xscreensaver
diff --git a/hacks/config/surfaces.xml b/hacks/config/surfaces.xml
index d7922242..f4b4cab3 100644
--- a/hacks/config/surfaces.xml
+++ b/hacks/config/surfaces.xml
@@ -4,59 +4,67 @@
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<_description>
-This draws a visualization of several interesting parametric surfaces.
+Parametric surfaces.
http://mathworld.wolfram.com/DinisSurface.html
-http://en.wikipedia.org/wiki/Enneper_surface
+https://en.wikipedia.org/wiki/Enneper_surface
http://mathworld.wolfram.com/EnnepersMinimalSurface.html
http://mathworld.wolfram.com/KuenSurface.html
-http://en.wikipedia.org/wiki/Moebius_strip
+https://en.wikipedia.org/wiki/Moebius_strip
http://mathworld.wolfram.com/Seashell.html
http://mathworld.wolfram.com/SwallowtailCatastrophe.html
http://mathworld.wolfram.com/BohemianDome.html
-http://en.wikipedia.org/wiki/Whitney_umbrella
+https://en.wikipedia.org/wiki/Whitney_umbrella
http://mathworld.wolfram.com/PlueckersConoid.html
http://mathworld.wolfram.com/HennebergsMinimalSurface.html
http://mathworld.wolfram.com/CatalansSurface.html