diff --git a/util.py b/util.py
index da6b88f..ea42691 100644
--- a/util.py
+++ b/util.py
@@ -39,9 +39,12 @@ def RgSnippetWrapped(st, w, fForEditing = False, xStart = 0):
     ichWrap = -1
     ichStart = 0
     for ich, ch in enumerate(st):
+        if ch == '\n':
+            assert not fForEditing, "no support yet for editing strings with newlines"
+            ichWrap = ich
         if not fForEditing and ch == ' ':
             ichWrap = ich
-        if ich == ichStart + w - xStart:
+        if (ich == ichStart + w - xStart) or (ch == '\n'):
             ichStartNew = ichWrap + 1
             if ichWrap < 0:
                 ichWrap = ich