1 files changed, 13 insertions, 2 deletions
diff --git a/src/doc_reform/doc_reform.d b/src/doc_reform/doc_reform.d
index fc93a6c..bac1f44 100755
--- a/src/doc_reform/doc_reform.d
+++ b/src/doc_reform/doc_reform.d
@@ -319,10 +319,21 @@ void main(string[] args) {
     }
     auto parallelise() {
       bool _is;
-      if (opts["parallel"] == true
-      || (opts["parallel"] != false && opts["serial"] == false)) {
+      if (opts["parallel"] == true) {
         _is = true;
         if (sqlite_shared_db_action) { _is = false; }
+      } else if (opts["parallel"] == false
+      && opts["serial"] == true) {
+        _is = false;
+      } else if (opts["abstraction"]
+        || concordance
+        || epub
+        || html
+        || manifest
+        || pod
+        || source
+      ) {
+        _is = true;
       } else { _is = false; }
       return _is;
     }