src/HOL/Lambda/ROOT.ML

workaround for Proof General's off-by-a-few sendback display bug, whereby "pr" in "proof" is not highlighted

Syntax.ambiguity_level := 100;
Proofterm.proofs := 2;

no_document use_thys ["Code_Integer"];
use_thys ["Eta", "StrongNorm", "Standardization", "WeakNorm"];