Function: quail-update-leim-list-file

Update entries for Quail packages in `LEIM' list file in directory DIRNAME.
DIRNAME is a directory containing Emacs input methods;
normally, it should specify the `leim' subdirectory
of the Emacs source tree.

It searches for Quail packages under `quail' subdirectory of DIRNAME,
and update the file "leim-list.el" in DIRNAME.

When called from a program, the remaining arguments are additional
directory names to search for Quail packages under `quail' subdirectory
of each directory. (fn DIRNAME &rest DIRNAMES)