lib: HTML clear children before each render to avoid duplicates

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/lib/html.nit b/lib/html.nit
index 6e8f8a6..5b50ceb 100644 (file)
--- a/lib/html.nit
+++ b/lib/html.nit
@@ -39,6 +39,7 @@ class HTMLPage
 
        # Render the page as a html string
        fun render: String do
+               root.children.clear
                open("head")
                head
                close("head")