Merge branch 'enh-preview-comment' into enh-preview-comment-test

# Conflicts:
#	.github/workflows/preview_comment.yaml

Author: adriendupuis

.github/workflows/preview_comment.yaml

@@ -40,7 +40,7 @@ jobs:
                     par_change_list=$(echo "$par_change_list" | sed '1d' | sort -t '`' -k 2,2)
                     change_count=$(( $(echo "$md_change_list" | wc -l) + $(echo "$par_change_list" | wc -l) ))
 
-                    echo -e "$md_change_list\n$par_change_list" | perl -p -e 's/\e/\\E/g'
+                    echo -e "Markdown files:\n$md_change_list\n\nPHP API Ref.:\n$par_change_list" | perl -p -e 's/\e/\\E/g'
 
                     if [[ $change_count -gt $file_limit ]]; then
                         par_change_list=$(echo "$par_change_list" | grep -v namespaces)