bug#18730: [PATCH] tildify.el: Add `auto-tildify' and `auto-tildify-mode'.

[Michal Nazarewicz <mina86@mina86.com>]

On Thu, Oct 16 2014, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> Introduce a new variable that can be used by tildify-mode.  […]
>
> Please try to make it so that this new var can also be used for
> tildify-region, move the current default entry in tildify-pattern-alist
> to it (so that tildify-pattern-alist defaults to nil), and mark
> tildify-pattern-alist as obsolete.

I think those two need to be separate but the default for tildify-region
can be based on the one used by tildify-mode.  I.e. if tildify-mode uses
tildify-space-regex than the default for tildify-region would be

  (concat tildify-space-regex
          "\\(\\s-+\\)\\([ \t]*\n[ \t]*\\|[ \t]+\\)"
          "[\\w([{]")

> tildify-string-alist should also be made obsolete and replaced by
> a variable which is set buffer-locally by the major-modes.

So how would that work?  Would I have to also add setting of
tildify-string (or perhaps tildify-hard-space would be a better name)
variable in all major modes that tildify-string-alist now includes?  Or
add hooks in tildify?

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