[Yaml-core] #11 (a prayer for resolution)

[trans. (T. Onoma) <tra...@ru...>]

Clark suggested I put this out as proposal #11. It takes into account the=20
NULLs of #3, the relocation of the wart of #4, the '!' and '?' shorthands, =
as=20
in #4q and the redefinition capabilities of #2/#9.

In brief:

  ---
  - 23    # !
  - "23"  # ?
  - []    # !
  - {}    # !

Where ! actually stands for NULL. (Like John Doe in a hospital.) Meaning th=
at=20
while in the document we use the character !, but on the backend, in=20
implementation, it really is just NULL (no tag), which is most convenient.=
=20
The ? (QNULL) on the other hand will show up as a '?'. =20

This also allows us to use ! as the magic bullet without any confusion. We =
get=20
what we'd expect.

  ---
  - ! "23"  # makes this a ! (NULL) tag.

Thus we get the advantages of both.

=46inally, the ? (QNULL) for the non-plain scalar can be redefined via the =
TAG=20
mechanism. Thus we can add this to the top of documents:

  %TAG ? !

And get the behavior of proposal #1.

That's it.

T.

=2D-=20
( o _  =E3=82=AB=E3=83=A9=E3=83=81
 //    trans.
/ \    tra...@ru...

I don't give a damn for a man that can only spell a word one way.
=2DMark Twain