fix: conditional execution of mp_init()

all.sas

@@ -188,7 +188,7 @@ options noquotelenmax;
     %put No feature was requested for detection;
   %end;
   %else %if &feature=COLCONSTRAINTS %then %do;
-    %if %substr(&sysver,1,1)=4 %then 0;
+    %if "%substr(&sysver,1,1)"="4" or "%substr(&sysver,1,1)"="5" %then 0;
     %else 1;
   %end;
   %else %if &feature=PROCLUA %then %do;
@@ -8443,7 +8443,7 @@ options
   validvarname=V7         /* avoid special characters etc in variable names */
   varinitchk=%str(ERR)OR  /* avoid data mistakes from variable name typos   */
   varlenchk=%str(ERR)OR   /* fail hard if truncation (data loss) can result */
-%if %substr(&sysver,1,1) ne 4 %then %do;
+%if "%substr(&sysver,1,1)" ne "4" and "%substr(&sysver,1,1)" ne "5" %then %do;
   noautocorrect           /* disallow misspelled procedure names            */
   dsoptions=note2err      /* undocumented - convert bad NOTEs to ERRs       */
 %end;

base/mf_existfeature.sas

@@ -30,7 +30,7 @@
     %put No feature was requested for detection;
   %end;
   %else %if &feature=COLCONSTRAINTS %then %do;
-    %if %substr(&sysver,1,1)=4 %then 0;
+    %if "%substr(&sysver,1,1)"="4" or "%substr(&sysver,1,1)"="5" %then 0;
     %else 1;
   %end;
   %else %if &feature=PROCLUA %then %do;

base/mp_init.sas

@@ -67,7 +67,7 @@ options
   validvarname=V7         /* avoid special characters etc in variable names */
   varinitchk=%str(ERR)OR  /* avoid data mistakes from variable name typos   */
   varlenchk=%str(ERR)OR   /* fail hard if truncation (data loss) can result */
-%if %substr(&sysver,1,1) ne 4 %then %do;
+%if "%substr(&sysver,1,1)" ne "4" and "%substr(&sysver,1,1)" ne "5" %then %do;
   noautocorrect           /* disallow misspelled procedure names            */
   dsoptions=note2err      /* undocumented - convert bad NOTEs to ERRs       */
 %end;