There seems to be a problem with the path which is picked up as "suspicious" by my Firefox NoScript addon

There seems to be a problem with the path which is picked up as "suspicious" by my Firefox NoScript addon:

[NoScript XSS] Sanitized suspicious request.

Original URL [http://digg.com/tools/diggthis.php?u=http%3A//www.mysite.com/mirror-half-reflection-optical-illusion&t=Mirror%20Half%20Reflection%20Optical%20Illusion&b=%0D%0A%09%0D%0A%0D%0A%0D%0AThis%20mirror%20optical%20illusion%20is%20very%20easily%20accomplished.%20%20All%20you%20have%20to%20do%20is%20find%20a%20mirror%20big%20enough%2C%20and%20place%20a%20camera%20%28you%20don%27t%20really%20need%20the%20camera%20unless%20you%20want%20to%20record%20the%20optical%20illusion%29on%20one%20side%20of%20the%20mirror%20in%20such%20a%20way%20that%20the%20camera%27s%20lens%20slightly%20inclined%20looking%20from%20one%20side%20of%20the%20mirror%20towards%20the...&s=standard] requested from [http://www.mysite.com/mirror-half-reflection-optical-illusion]. 

Sanitized URL: [http://digg.com/tools/diggthis.php?u=http%3A%2F%2Fwww.mysite.com%2Fmirror-half-reflection-optical-illusion&t=Mirror%20Half%20Reflection%20Optical%20Illusion&b=%0D%0A%20%0D%0A%0D%0A%0D%0AThis%20mirror%20optical%20illusion%20is%20very%20easily%20accomplished.%20%20All%20you%20have%20to%20do%20is%20find%20a%20mirror%20big%20enough%2C%20and%20place%20a%20camera%20%20you%20don%20t%20really%20need%20the%20camera%20unless%20you%20want%20to%20record%20the%20optical%20illusion%20on%20one%20side%20of%20the%20mirror%20in%20such%20a%20way%20that%20the%20camera%20s%20lens%20slightly%20inclined%20looking%20from%20one%20side%20of%20the%20mirror%20towards%20the...&s=standard#5840049781295995779].