Re: Unicode confusables and reordering characters considered harmful

[Stefan Monnier]

> +   '(("\N{LEFT-TO-RIGHT EMBEDDING}\\|\N{RIGHT-TO-LEFT EMBEDDING}\\|\
> +\N{LEFT-TO-RIGHT OVERRIDE}\\|\N{RIGHT-TO-LEFT OVERRIDE}\\|\
> +\N{LEFT-TO-RIGHT ISOLATE}\\|\N{RIGHT-TO-LEFT ISOLATE}\\|\
> +\N{FIRST STRONG ISOLATE}\\|\N{POP DIRECTIONAL FORMATTING}\\|\
> +\N{POP DIRECTIONAL ISOLATE}" . (0 'font-lock-warning-face t)))))

A [...] would be a lot more efficient than this "...\\|...\\|...\\|...".

> +(defun bidi-reordering-character-toggle-visibility ()
> +  "Toggle the visibility of bidi reordering characters."
> +  (interactive)
> +  (setq bidi-reordering-characters-visible
> +        (not bidi-reordering-characters-visible))

Aka

    (define-minor-mode bidi-reordering-characters-visible
      "Make the bidi reordering characters visible."
      :global t
      ...)
    (define-obsolete-function-alias
      'bidi-reordering-character-toggle-visibility
      #'bidi-reordering-characters-visible "...")


-- Stefan