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Using the grammar for real-number constants discussed in class, write a set of rewrite rules for signed real-number constants that allow an optional sign at the front of the constants. Use signed-real-const as the new start symbol. You can reuse as much or as little of the real-number constant grammar rules as you deem appropriate. Examples of valid signed real-number constants are:

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Using the grammar for real-number constants discussed in class, write a set of rewrite rules for sig...
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