diff --git a/src/scripts/merge_tools/gitmerge.sh b/src/scripts/merge_tools/gitmerge.sh
index 04269a0fb9..bf373243f9 100755
--- a/src/scripts/merge_tools/gitmerge.sh
+++ b/src/scripts/merge_tools/gitmerge.sh
@@ -30,18 +30,15 @@ cd "$clone_dir" || { echo "$0: cannot cd to $clone_dir"; exit 2; }
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: about to run: git checkout $branch1 in $(pwd)"
-  echo "$0: about to run: git checkout $branch1 in $(pwd)" >&2
 fi
 git checkout "$branch1" --force
 if [ -n "$VERBOSE" ] ; then
   echo "$0: ran: git checkout $branch1 in $(pwd)"
-  echo "$0: ran: git checkout $branch1 in $(pwd)" >&2
 fi
 git config --local merge.conflictstyle diff3
 git config --local mergetool.prompt false
 
 echo "$0: about to run: git merge --no-edit $git_strategy $branch2 in $(pwd)"
-echo "$0: about to run: git merge --no-edit $git_strategy $branch2 in $(pwd)" >&2
 
 # shellcheck disable=SC2086
 git merge --no-edit $git_strategy "$branch2"
@@ -49,7 +46,6 @@ retVal=$?
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: ran: git merge --no-edit $git_strategy $branch2 in $(pwd)"
-  echo "$0: ran: git merge --no-edit $git_strategy $branch2 in $(pwd)" >&2
 fi
 
 # report conflicts
diff --git a/src/scripts/merge_tools/merge_git_then_plumelib.sh b/src/scripts/merge_tools/merge_git_then_plumelib.sh
index fbed920b29..62d8561d99 100755
--- a/src/scripts/merge_tools/merge_git_then_plumelib.sh
+++ b/src/scripts/merge_tools/merge_git_then_plumelib.sh
@@ -32,19 +32,16 @@ cd "$clone_dir" || { echo "$0: cannot cd to $clone_dir"; exit 2; }
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: about to run: git checkout $branch1 in $(pwd)"
-  echo "$0: about to run: git checkout $branch1 in $(pwd)" >&2
 fi
 git checkout "$branch1" --force
 if [ -n "$VERBOSE" ] ; then
   echo "$0: ran: git checkout $branch1 in $(pwd)"
-  echo "$0: ran: git checkout $branch1 in $(pwd)" >&2
 fi
 git config --local merge.conflictstyle diff3
 git config --local mergetool.prompt false
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: about to run: git merge --no-edit $git_strategy $branch2 in $(pwd)"
-  echo "$0: about to run: git merge --no-edit $git_strategy $branch2 in $(pwd)" >&2
 fi
 
 # shellcheck disable=SC2086
@@ -52,7 +49,6 @@ git merge --no-edit $git_strategy "$branch2"
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: ran: git merge --no-edit $git_strategy $branch2 in $(pwd)"
-  echo "$0: ran: git merge --no-edit $git_strategy $branch2 in $(pwd)" >&2
 fi
 
 ## Now, run Plume-lib Merging to improve the result of `git merge`.
@@ -79,10 +75,8 @@ esac
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: about to run: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)"
-  echo "$0: about to run: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)" >&2
   git-mergetool.sh --verbose $all_arg --tool=merge-plumelib
   echo "$0: ran: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)"
-  echo "$0: ran: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)" >&2
 else
   git-mergetool.sh $all_arg --tool=merge-plumelib
 fi
@@ -93,17 +87,14 @@ if [ -z "$diffs" ]; then
     git add .
     if [ -n "$VERBOSE" ] ; then
       echo "$0: about to run: git commit in $(pwd)"
-      echo "$0: about to run: git commit in $(pwd)" >&2
     fi
     git commit -m "Resolved conflicts by calling: git-mergetool.sh $all_arg --tool=merge-plumelib"
     if [ -n "$VERBOSE" ] ; then
       echo "$0: ran: git commit in $(pwd)"
-      echo "$0: ran: git commit in $(pwd)" >&2
     fi
     exit 0
 fi
 echo "$0: exiting with status 1"
-echo "$0: exiting with status 1" >&2
 echo "$0: diffs=$diffs"
 echo "$0: Conflict after running in $(pwd):"
 echo "  git merge --no-edit $git_strategy $branch2"
diff --git a/src/scripts/merge_tools/merge_script_then_plumelib.sh b/src/scripts/merge_tools/merge_script_then_plumelib.sh
index 66baae69c1..92172e45f3 100755
--- a/src/scripts/merge_tools/merge_script_then_plumelib.sh
+++ b/src/scripts/merge_tools/merge_script_then_plumelib.sh
@@ -33,19 +33,16 @@ cd "$clone_dir" || { echo "$0: cannot cd to $clone_dir"; exit 2; }
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: about to run: git checkout $branch1 in $(pwd)"
-  echo "$0: about to run: git checkout $branch1 in $(pwd)" >&2
 fi
 git checkout "$branch1" --force
 if [ -n "$VERBOSE" ] ; then
   echo "$0: ran: git checkout $branch1 in $(pwd)"
-  echo "$0: ran: git checkout $branch1 in $(pwd)" >&2
 fi
 git config --local merge.conflictstyle diff3
 git config --local mergetool.prompt false
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: about to run: $merge_script $clone_dir $branch1 $branch2 in $(pwd)"
-  echo "$0: about to run: $merge_script $clone_dir $branch1 $branch2 in $(pwd)" >&2
 fi
 
 # shellcheck disable=SC2086
@@ -53,7 +50,6 @@ $merge_script "$clone_dir" "$branch1" "$branch2"
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: ran: $merge_script $clone_dir $branch1 $branch2 in $(pwd)"
-  echo "$0: ran: $merge_script $clone_dir $branch1 $branch2 in $(pwd)" >&2
 fi
 
 ## Now, run Plume-lib Merging to improve the result of `$merge_script`.
@@ -80,12 +76,10 @@ esac
 
 if [ -n "$VERBOSE" ] ; then
   echo "$0: about to run: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)"
-  echo "$0: about to run: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)" >&2
 fi
 git-mergetool.sh $all_arg --tool=merge-plumelib
 if [ -n "$VERBOSE" ] ; then
   echo "$0: ran: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)"
-  echo "$0: ran: git-mergetool.sh $all_arg --tool=merge-plumelib in $(pwd)" >&2
 fi
 
 # Check if there are still conflicts
@@ -94,17 +88,14 @@ if [ -z "$diffs" ]; then
     git add .
     if [ -n "$VERBOSE" ] ; then
       echo "$0: about to run: git commit in $(pwd)"
-      echo "$0: about to run: git commit in $(pwd)" >&2
     fi
     git commit -m "Resolved conflicts by calling: git-mergetool.sh $all_arg --tool=merge-plumelib"
     if [ -n "$VERBOSE" ] ; then
       echo "$0: ran: git commit in $(pwd)"
-      echo "$0: ran: git commit in $(pwd)" >&2
     fi
     exit 0
 fi
 echo "$0: exiting with status 1"
-echo "$0: exiting with status 1" >&2
 echo "$0: diffs=$diffs"
 echo "$0: Conflict after running in $(pwd):"
 echo "  $merge_script $clone_dir $branch1 $branch2"
diff --git a/src/scripts/merge_tools/merging b/src/scripts/merge_tools/merging
index 694e1ac7bd..dfa28f8954 160000
--- a/src/scripts/merge_tools/merging
+++ b/src/scripts/merge_tools/merging
@@ -1 +1 @@
-Subproject commit 694e1ac7bdb17a2631442405513e748c837a9f3b
+Subproject commit dfa28f8954956fb952805cc1fb628287475a855a