Sync with 2b61f12
Sync with 2b61f12

Synced with dart-lang/site-webdev 5-dev branch, commit 2b61f12:
https://github.com/dart-lang/site-webdev/tree/2b61f1275e18e7d107360ae1ad04d8218d89de77/examples/ng/doc/template-syntax

googlearchive/template-syntax,angular-examples/template-syntax,angular-examples/template-syntax,googlearchive/template-syntax