If you create a snapshot of a document that contains two spaces it's presented incorrectly . For example you may have a document and snapshot name called "Document Version 1.2". In this case there are two spaces between "Document" and "Version".
Container names (Collections,Baselines) with any of the four characters: %, &, +, \, or ‘ will cause an error when running a search based on the container. The error reported maybe:
It is possible to create a collection containing an apostrophe in the name, for example: Tom's List however, once crested an error is raised when attempting to use the collection as a filter in Quick Search