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Starting in Version 8, if you nest the %QLEFT function within the %QTRIM
function and the text of the macro variable contains special characters
you may get unexpected errors.

Consider the following example.

   data _null;
     call symput('test',' seuil ¬< 100   ');
   run;

   data a;
     b="%qtrim(%qleft(&test))";
   run;

The above code generates the following notes and errors:

   NOTE: One or more missing close parentheses have been supplied for
         the %LENGTH function.
   NOTE: One or more missing close parentheses have been supplied for
         the %QSUBSTR function.
   ERROR: Macro function %QSUBSTR has too few arguments.
   ERROR: A character operand was found in the %EVAL function or %IF
          condition where a numeric operand is required. The condition
          was: %qsubstr(&value,&i,1)^=
   ERROR: The macro QTRIM will stop executing.


A Technical Support hot fix for Release 8.1 TSLEVEL TS1M0 for this
issue is available at:

http://www.sas.com/techsup/download/hotfix/81_sbcs_prod_list.html#005204


A Technical Support hot fix for Release 8.2 TSLEVEL TS2M0 for this
issue is available at:

http://www.sas.com/techsup/download/hotfix/82_sbcs_prod_list.html#005204

For customers running SAS with Asian Language Support (DBCS), this
hot fix should be downloaded from:

http://www.sas.com/techsup/download/hotfix/82_dbcs_prod_list.html#005204

Operating System and Release Information

A fix for Release 8.1 (TS1M0) for this issue is available at:

A fix for Release 8.2 (TS2M0) for this issue is available at:

A fix for Release 8.2 (TS2M0) with Asian Language Support (DBCS) for this issue is available at: