opaque-text.md

@@ -23,7 +23,22 @@ GHC
 
 
 
-A short summary of the extension/modification.
+Add the Text datatype to the language.
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+The text package for GHC exposes a Text datatype that represents a string.
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+The current String = \[Char\] standard has issues with
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+- efficiency: there are more efficient representations than linked lists
+- correctness: for Unicode correctness, one must operate on a string as a whole rather than individual code points
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+Promoting Text solves both of these issues.
 
 
 ## Description