[dots] Workaround for liblouis (or bindings) adding 0 and 0xffff to the output

[Fernando Herrera de las Heras <fherrera src gnome org>]

commit 0e8fcf7f7c34fe3f06bf4a204d4c5223823c8bbc
Author: Fernando Herrera <fherrera onirica com>
Date:   Tue Sep 14 00:05:41 2010 +0200

    Workaround for liblouis (or bindings) adding 0 and 0xffff to the output

 dots/dots_project.py |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/dots/dots_project.py b/dots/dots_project.py
index 08d0f14..a4169b3 100644
--- a/dots/dots_project.py
+++ b/dots/dots_project.py
@@ -88,6 +88,14 @@ class DotsProject(gtk.ScrolledWindow):
 	if braille_text == "":
 		return False
 
+
+	# Workaround for strange liblouis bug
+	output = ""
+	for c in braille_text:
+		if (ord(c) != 0) and (ord(c) != 65535):
+			output += c
+	braille_text = output
+
         self.buffer.set_text(braille_text)
 
         self.braille_buffer.set_text(