Re: Tab completion doesn't work.

[Michael Heerdegen]

Hongyi Zhao <hongyi.zhao@gmail.com> writes:

> Debugger entered--Lisp error: (wrong-number-of-arguments (3 . 4) 2)
>   helm-add-action-to-source(helm-bibtex (("P"
> helm-bibtex-open-pdf-external "Open PDF file in external viewer (if
> present)")))

So here is another error in the config you posted (the source argument
is missing in that call).

Michael.