wenzelm [Wed, 31 Oct 2018 15:53:32 +0100] rev 69216
clarified ML_Context.expression: it is a closed expression, not a let-declaration -- thus source positions are more accurate (amending d8849cfad60f, 162a4c2e97bc);
wenzelm [Tue, 30 Oct 2018 22:05:30 +0100] rev 69211
added GHC.read_source: read Haskell source text with antiquotations;
added "cartouche" antiquotation for ML string expressions as Haskell string literals;