add support for pre-wrap role on inline

Author: mojavelinux

src/css/doc.css

@@ -1078,6 +1078,10 @@
   word-wrap: normal;
 }
 
+.doc :not(pre).pre-wrap {
+  white-space: pre-wrap;
+}
+
 #footnotes {
   font-size: 0.85em;
   line-height: 1.5;