-and right precedences control operator stacking behaviour. The function is
-called when this operator is popped off the stack.
-
-If the left precedence is not nil, then operators currently on the stack
-whose /right/-precedence is greater than or equal to this operator's
-/left/-precedence are popped before this operator can be pushed. If the
-right precedence is nil, then this operator is not in fact pushed, but
-processed immediately."
+ and right precedences control operator stacking behaviour. The function
+ is called when this operator is popped off the stack.
+
+ If the left precedence is not nil, then operators currently on the stack
+ whose /right/-precedence is greater than or equal to this operator's
+ /left/-precedence are popped before this operator can be pushed. If the
+ right precedence is nil, then this operator is not in fact pushed, but
+ processed immediately."