Chapter_5_code01.html

 %local quot amp apos lt gt nbsp copy reg;

 %let quot = &#034;

 %let amp = &#038;

 %let apol = &#039;

 %let lt = &#060;

 %let gt = &#062;

 %let nbsp = &#160;

 %let copy = &#169;

 %let reg = &#174;

Common Character Entity References are converted to Numeric Entity References as discussed in Chapter 3. If these character sequences are in the input file, SAS attempts to resolve them as macro variables. These %LET statements prevent apparent symbolic reference warnings and also ensure that such entities are handled properly from an HTML perspective.

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