Icon+Unicon/Intro: Difference between revisions

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 === Data Types ===
 ==== &null ====
-&null is unique.  It is a data type with only a single value, one instance only.  While this may sound odd at first, &null is at the core of Icon/Unicon and contributes to the power and robustness of the language.
+&null is unique.  It is a data type with only a single value, one instance only.  While this may sound odd at first, &null is at the core of Icon/Unicon and contributes to the power and robustness of the language.  Specifically, &null arose to overcome a short coming that any [[SNOBOL4]] programmer will be familiar with.  Consider the following SNOBOL code:
-&null arose to overcome a short coming that any [[SNOBOL4]] programmer will be familiar with.  Consider the following SNOBOL code:
 <lang Snobol>    numb1 = 2