hg: kulla/dev/langtools: Clarify that input to eval() is exactly one snippet.

[robert.field at oracle.com]

Changeset: 1746ef1be7d3
Author:    rfield
Date:      2015-02-26 18:23 -0800
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/1746ef1be7d3

Clarify that input to eval() is exactly one snippet.

! repl/src/api/EvalState.java