nitdoc: do not repeat entries in the index.

Signed-off-by: Matthieu Auger <matthieu.auger@gmail.com>
Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/nitdoc.nit b/src/nitdoc.nit
index 437f837..72942e8 100644 (file)
--- a/src/nitdoc.nit
+++ b/src/nitdoc.nit
@@ -80,9 +80,11 @@ class DocContext
        # Register an entity (for the index)
        fun register(e: MMEntity)
        do
-               _entities.add(e)
-               if e isa MMSrcModule then
-                       _mmmodule = e
+               if not _entities.has(e) then
+                       _entities.add(e)
+                       if e isa MMSrcModule then
+                               _mmmodule = e
+                       end
                end
        end