>
> On Wed, Jun 6, 2018 at 8:57 PM, Michał Kondraciuk <k.michal@zoho.com>
> wrote:
> >
> > The Flymake manual says that syntax checking is started whenever
> >
> > - ‘flymake-mode’ is started, unless ‘flymake-start-on-flymake-mode’
> >      is nil;
> > - a newline character is added to the buffer, unless
> >      ‘flymake-start-syntax-check-on-newline’ is nil;
> > - some changes were made to the buffer more than ‘0.5’ seconds ago
> >
> >
> > But it doesn't mention that Flymake also starts in 'after-save-hook.
> > Also, I think there should be an option to disable checking the buffer
> > on save.
>
> Well, you can

(add-hook 'flymake-mode-hook
  (lambda () (remove-hook 'after-save-hook 'flymake-after-save-hook t)))

But an option makes more sense.  Regarding the manual, you are also right.
I will do this for 26.2.

João