Stop hiding org source blocks at startup

.emacs

@@ -1233,7 +1233,7 @@ APPEND is whether to add new events to the diary or to reset it"
         org-startup-indented t
         org-startup-truncated t
         org-hide-emphasis-markers t
-        org-hide-block-startup t
+        org-hide-block-startup nil
         ;; Org sub/superscript behavior
         org-use-sub-superscripts '{}
         org-export-with-sub-superscripts '{}