diff --git a/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
similarity index 59%
rename from PULL_REQUEST_TEMPLATE.md
rename to .github/PULL_REQUEST_TEMPLATE.md
index e6bcb2d..b83ef2a 100644
--- a/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -12,8 +12,6 @@ What code changes have been made to achieve the intent.
 
 ## Checks
 
-- [ ] Code is formatted correctly (`npm run lint`).
+- [ ] Code is formatted correctly (`sasjs lint`).
 - [ ] Any new functionality has been unit tested.
-- [ ] All unit tests are passing (`npm test`).
-- [ ] All CI checks are green.
-- [ ] Reviewer is assigned.
+- [ ] All unit tests are passing (`sasjs test`).
diff --git a/all.sas b/all.sas
index 9e99d6c..a3bbc6a 100644
--- a/all.sas
+++ b/all.sas
@@ -4803,7 +4803,7 @@ drop table &out_ds;
   @cond
 **/
 
-%macro mp_ds2cards(base_ds=, tgt_ds=
+%macro mp_ds2cards(base_ds, tgt_ds=
     ,cards_file="%sysfunc(pathname(work))/cardgen.sas"
     ,maxobs=max
     ,random_sample=NO
@@ -5006,6 +5006,7 @@ data _null_;
         ;
       %end;
       put ";";
+      put 'missing a b c d e f g h i j k l m n o p q r s t u v w x y z _;';
       put "datalines4;";
     end;
   end;
diff --git a/base/mp_ds2cards.sas b/base/mp_ds2cards.sas
index 1260202..0fb6d93 100644
--- a/base/mp_ds2cards.sas
+++ b/base/mp_ds2cards.sas
@@ -51,7 +51,7 @@
   @cond
 **/
 
-%macro mp_ds2cards(base_ds=, tgt_ds=
+%macro mp_ds2cards(base_ds, tgt_ds=
     ,cards_file="%sysfunc(pathname(work))/cardgen.sas"
     ,maxobs=max
     ,random_sample=NO
@@ -254,6 +254,7 @@ data _null_;
         ;
       %end;
       put ";";
+      put 'missing a b c d e f g h i j k l m n o p q r s t u v w x y z _;';
       put "datalines4;";
     end;
   end;