What is the meaning of "alone" here, used with the preposition "of"?
Alone of prejudices, anti-Zionism is sacrosanct.
The link to the article this sentence is taken from: http://www.independent.co.uk/voices/corbyn-may-say-hes-not-anti-semitic-but-associating-with-the-people-he-does-is-its-own-crime-10487318.html