-$ ./a.out
-ready> def foo(x y) x+foo(y, 4.0);
-ready> Parsed a function definition.
-ready> def foo(x y) x+y y;
-ready> Parsed a function definition.
-ready> Parsed a top-level expr
-ready> def foo(x y) x+y );
-ready> Parsed a function definition.
-ready> Error: unknown token when expecting an expression
-ready> extern sin(a);
+$ <b>./a.out</b>
+ready> <b>def foo(x y) x+foo(y, 4.0);</b>
+Parsed a function definition.
+ready> <b>def foo(x y) x+y y;</b>
+Parsed a function definition.
+Parsed a top-level expr
+ready> <b>def foo(x y) x+y );</b>
+Parsed a function definition.
+Error: unknown token when expecting an expression
+ready> <b>extern sin(a);</b>