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+ TXR 107
+ 2015-04-26
+
+
+ Features
+
+ - Change in representation of promise objects. The force function
+ now detects recursion and throws an error.
+
+ - New mlet macro: a step beyond Scheme's letrec.
+
+ - A trivial optimization in the keywordp function more than doubles
+ the interpretation speed of TXR Lisp.
+
+ Bugs
+
+ - Fixed regression in the garbage collector introduced in October 2014,
+ TXR 100. This would cause runaway memory growth, due to the garbage
+ collector creating unnecessary new heaps.
+
+
+
TXR 106
2015-04-21