Normative: Cache templates per site, rather than by contents#890

Merged

bterlson merged 14 commits intotc39:masterfrom

littledan:no-cache-templates

Feb 7, 2018

Commits on Feb 3, 2018

Commits on Feb 4, 2018

Editorial: Note that parse trees and parse nodes are abstract and unobservable
littledan
committed
Editorial: Switch to @bterlson's wording for abstract parse trees
littledan
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Editorial: Tweak Parse Node note as suggested by @jmdyck
littledan
committed