1.x compat: update fun: allow docs with slash in id
diff --git a/src/chttpd_show.erl b/src/chttpd_show.erl
index d049756..787df16 100644
--- a/src/chttpd_show.erl
+++ b/src/chttpd_show.erl
@@ -99,16 +99,17 @@
 %     send_method_not_allowed(Req, "POST,PUT,DELETE,ETC");
 
 handle_doc_update_req(#httpd{
-        path_parts=[_, _, _, _, UpdateName, DocId]
-    }=Req, Db, DDoc) ->
-    Doc = maybe_open_doc(Db, DocId),
-    send_doc_update_response(Req, Db, DDoc, UpdateName, Doc, DocId);
-
-handle_doc_update_req(#httpd{
         path_parts=[_, _, _, _, UpdateName]
     }=Req, Db, DDoc) ->
     send_doc_update_response(Req, Db, DDoc, UpdateName, nil, null);
 
+handle_doc_update_req(#httpd{
+        path_parts=[_, _, _, _, UpdateName | DocIdParts]
+    }=Req, Db, DDoc) ->
+    DocId = ?l2b(string:join([?b2l(P) || P <- DocIdParts], "/")),
+    Doc = maybe_open_doc(Db, DocId),
+    send_doc_update_response(Req, Db, DDoc, UpdateName, Doc, DocId);
+
 handle_doc_update_req(Req, _Db, _DDoc) ->
     chttpd:send_error(Req, 404, <<"update_error">>, <<"Invalid path.">>).