I think that it's pretty reasonable for a similar library to use the same character if the syntax is similar. As an example, the Domtastic library copies the jQ

I think that it's pretty reasonable for a similar library to use the same character if the syntax is similar. As an example, the Domtastic library copies the jQuery syntax literally, allowing an easy transition for new users. It also makes users aware that the library is likely to cover aspects of the other, so they should carefully consider if they really want to include the new one.