When installing MacTeX it comes with a LaTeX spell checker, Excalibur. The homepage has links to download dictionaries in different languages: I'm interested in the Spanish one. My problem is that Excalibur doesn't recognize it as a dictionary. Does anyone have an idea about how to fix this?
For me, everything seems to work. I did the following:
Provided you copy the dictionary to the Excalibur folder and then make Excalibur aware of it, it seems to find the dictionary the next time you start the program.