Question: Does the internal implementation of Maple keep track of the accuracy at all points?

In the end of numerics - Mathematica Stack Exchange, Mr.Wizard claimed that "I don't know if it also has generalized precision tracking". (Another answer additionally claimed that Mma chooses "significance arithmetic" to track the precision.) So, the question is simple: Does Maple always (automatically) keep track of the accuracy of inexact numbers through a computation?

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