Explicitly pass navigator.language to bootstrap
work around fx devtools' highlighting bug
Introduce a short-lived 'inline' ctx to fix FOUC
inline ctx: register locales which have <script> localizations
setTextContent
split bootstrap and inlineLocalization
clean up window.setTimeouts (we don't need that many)
Return false if translation not found;  use translateFragment
Allow entities with empty value and non-empty attributes
window.addEventListener('load', …)
Simplify language negotiation (and remove Intl from dependencies)
Simplify client IO
Remove unused parts from the context (buildImports in Resource and registerLocaleNegotiator)
Reduce the size of AST by making body a dict
Assume Entity type by default, remove attrs if empty
Assume String type by default
Bring Intl back, but use a custom negotiator for inlineLocalization
Strings and ComplexStrings
Attributes
Hashes and Macros