Frege/frege-repl — pull request #4 by mmhelloworld (2013-12-30 07:29:54+00:00)
Title: Issue Frege/frege-repl#3 

1. Show Java source using `:java` command
2. Show documentation through `:help ` command
3. Allow multi-line expressions:

```
frege> :{
let x = 5
y = 3
in x + y
:}
8
```