aspell.check.commands: comma separated list of commands for which spell checking is enabled (spell checking is disabled for all other commands)
type: string
values: any string (default value: 'ame,amsg,away,command,cycle,kick,kickban,me,msg,notice,part,query,quit,topic')
aspell.check.default_dict: default dictionary (or comma separated list of dictionaries) to use when buffer has no dictionary defined (leave blank to disable aspell on buffers for which you didn't explicitely enabled it)
type: string
values: any string (default value: '')
aspell.check.during_search: check words during text search in buffer
type: boolean
values: on, off (default value: off)
aspell.check.word_min_length: minimum length for a word to be spell checked (use 0 to check all words)
type: integer
values: 0 .. 2147483647 (default value: 2)
aspell.look.color: color used for mispelled words
type: color
values: a color name (default value: lightred)