To define a mapping which uses the "mapleader" variable, the special string"<Leader>" can be used. It is replaced with the string value of "mapleader".If "mapleader" is not set or empty, a backslash is used instead.Example::map <Leader>A oanother line <Esc>Works like::map \A oanother line <Esc>But after::let mapleader = ","It works like::map ,A oanother line <Esc>
Note that the value of "mapleader" is used at the moment the mapping isdefined. Changing "mapleader" after that has no effect for already definedmappings.