I have realized that only a half of new apostrophes in doc strings were 
properly escaped, so I am attaching updated patch. I still consider the 
change as a minor improvement.

On 06/04/2021 21:47, Maxim Nikulin wrote:
> 
> When I tried org-protocol for the first time, I was quite surprised that 
> query parameters generated using URLSearchParams JavaScript class are 
> decoded incorrectly. "+" characters representing space are passed as is. 
> I hope, I have found a proper place in the code to handle such case.
> 
> It does not affect previously recommended bookmarklets with abundant 
> calls of encodeURIComponent that escapes spaces as "%20". I believe, new 
> option is more readable:
> 
>      javascript:location.href='org-protocol://capture?' +
>          new URLSearchParams({
>              template: 'x',
>              url: location.href,
>              title: document.title,
>              body: window.getSelection()});
> 
> I guess, with old org-protocol syntax only pure percent encoding was 
> necessary due to each parameter was represented as path component. "+" 
> is allowed only in query part. Such variant was just missed when new 
> query-like syntax was introduced.