Google Search Appliance Protocol Reference - Manual (Page 84)

Google Search Appliance: Search Protocol Reference Results Format 84
UD
Format/Parent
Text (URL to display for non-ASCII URLs)
R
Subtags
None
Definition
The URL string to display when the URL that is in the U parameter is non-ASCII. Displays UTF-8
characters and IDNA domain names properly.
Attributes
None
UE
Format/Parent
Text (URL-encoded version of the URL)
R
Subtags
None
Definition
The URL-encoded version of the URL that is in the U parameter.
Attributes
None