X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=lambda_evaluator.mdwn;h=4a5b9dc0ec39a17f14cf4c564148b40acc9252e5;hp=c0697abd148f771170b18087c9af813f601cb8df;hb=0a3e9b7715490e9edefb87397cad3210e790053f;hpb=efc414adb5e2372295701927bc1115afedf44ce7

diff --git a/lambda_evaluator.mdwn b/lambda_evaluator.mdwn
index c0697abd..4a5b9dc0 100644
--- a/lambda_evaluator.mdwn
+++ b/lambda_evaluator.mdwn
@@ -1,6 +1,3 @@
-Lambda Evaluator
-----------------
-
 This lambda evaluator will allow you to write lambda terms and evaluate (that is, normalize) them, and inspect the results.
 (This won't work in Racket, because Racket doesn't even try to represent the internal structure of a function in a human-readable way.)  
 
@@ -87,8 +84,8 @@ Object.prototype.error = function (message, t) {
             // string = JSON.stringify(expr, ['key', 'name', 'message', 'value', 'arity', 'first', 'second', 'tag', 'variable', 'left', 'right', 'bound', 'body' ], 4);
 //			string = expr.to_string() + "\n\n~~>\n\n";
 			string = '';
-			eta = document.getElementById('ETA').value === "on";
-			string = "("+eta+")"+string + reduce(expr, eta, false).to_string();
+			eta = document.getElementById('ETA').checked;
+			string = string + reduce(expr, eta, false).to_string();
         } catch (e) {
             string = JSON.stringify(e, ['name', 'message', 'from', 'to', 'key',
                     'value', 'arity', 'first', 'second', 'third', 'fourth'], 4);