[webcomponents] alternate proposal (#120)

You can view, comment on, or merge this pull request online at:

  https://github.com/w3c/webcomponents/pull/120

-- Commit Summary --

  * Update Type-Extensions.md
  * Update Type-Extensions.md

-- File Changes --

    M proposals/Type-Extensions.md (10)

-- Patch Links --

https://github.com/w3c/webcomponents/pull/120.patch
https://github.com/w3c/webcomponents/pull/120.diff

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Reply to this email directly or view it on GitHub:
https://github.com/w3c/webcomponents/pull/120