2860: Problem with det_ancestor report in PDF at page breaks\n no more STRANGE output

svn: r12537

src/plugins/lib/libcairodoc.py

@@ -503,6 +503,10 @@ class GtkDocParagraph(GtkDocBaseElement):
         startheight = linerange[0]
         endheight = linerange[1]
         splitline = -1
+        if lineiter.at_last_line():
+            #only one line of text that does not fit
+            return (None, self), 0
+
         while not lineiter.at_last_line():
             #go to next line, see if all fits, if not split
             lineiter.next_line()