Re: How to avoid infinite recursion in ZLE widgets

[Peter Stephenson <p.w.stephenson@ntlworld.com>]

> On 23 September 2020 at 09:34 Peter Slížik <peter.slizik@gmail.com> wrote:
> I'd like to replicate the functionality found in some text editors - namely
> that if you press a single or double quote, the editor inserts two of them
> and places the cursor inside the pair.
> 
> With some necessary checks for word boundaries, etc. left out, the solution
> looks rather trivial:
> 
> function insert-single-quotes() {
>     zle self-insert "''"    # that's "_'_'_"
>     zle backward-char
> }

The right way to insert something into the buffer at this point is using
the special variables.  You can add a quote before and a quote after
the cursor using:

insert-single-quotes() {
    LBUFFER+="'"
    RBUFFER="'$RBUFFER"
}

pws