pict: ellipse: Add docstring.

* pict.scm (ellipse): Add docstring.

1 files changed, 3 insertions, 0 deletions

diff --git a/pict.scm b/pict.scm
index 16e067e..a70a558 100644
--- a/pict.scm
+++ b/pict.scm
@@ -697,6 +697,9 @@ the given COLOR."
                   #:key
                   (border-color "black")
                   (border-width 1))
+  "Return an ellipse with width W and height H.  The keys
+BORDER-COLOR (a string) and BORDER-WIDTH (a number) are accepted to
+override the line color and line thickness."
   (make-pict
    `(svg (@ (width ,w)
             (height ,h)