Add syntax hilighting

Change-Id: I9b063dff5c20614631879291f95bc37dc6d72d2b
Fix bugs in semantics

Change-Id: If1b9203e8f55e7f883dfcbd801280b01ca5c9e24
Add identifier-like string

Change-Id: Ic82b90c77a2bf21629392470f73642dd1555be65
Add new literals for numeric constants

Change-Id: Ib25bcf411242deb8b139ac6e568b6e07c2319dba
Switched to 1-based lists to be consistent with Through

Change-Id: I8cce6524d80f0bdda017a2e87d7a716768ca3e00
Add pass-through fricassée selector

Change-Id: I999f626d5253f92e6cfb9365f270e9a642eae40a
Fix names and semantics of fricassée syntax

Change-Id: I86f6a3a766db73b7dfb3bb3c902ad628bd9b54ef
Fix copy about circular evaluation

Change-Id: I29a2b21b6045057d57783c347c82b6aac81245ff
Add Continue expression and fix contextual lookup semantics

Change-Id: Ib2b031649958a5dc4e3aea6bfe54bb6c4605df48
Update syntax hilighting to match current spec

Change-Id: Idb576fa90ae86b229530dc14f46da033fe77c9c8