fix: replacing WARNING with %str(WARN)ING to avoid being caught in searches for mf_getattrn

all.sas

@@ -404,7 +404,7 @@ options noquotelenmax;
   %local dsid rc;
   %let dsid=%sysfunc(open(&libds,is));
   %if &dsid = 0 %then %do;
-    %put WARNING: Cannot open %trim(&libds), system message below;
+    %put %str(WARN)ING: Cannot open %trim(&libds), system message below;
     %put %sysfunc(sysmsg());
     -1
   %end;

base/mf_getattrn.sas

@@ -23,7 +23,7 @@
   %local dsid rc;
   %let dsid=%sysfunc(open(&libds,is));
   %if &dsid = 0 %then %do;
-    %put WARNING: Cannot open %trim(&libds), system message below;
+    %put %str(WARN)ING: Cannot open %trim(&libds), system message below;
     %put %sysfunc(sysmsg());
     -1
   %end;