+namespace {
+ bool ensureBufferClean(BufferView * bv) {
+
+ Buffer & buf = *bv->buffer();
+ if (buf.isClean())
+ return true;
+
+ string const file = MakeDisplayPath(buf.fileName(), 30);
+ string text = bformat(_("The document %1$s has unsaved "
+ "changes.\n\nDo you want to save "
+ "the document?"), file);
+ int const ret = Alert::prompt(_("Save changed document?"),
+ text, 0, 1, _("&Save"),
+ _("&Cancel"));
+
+ if (ret == 0)
+ bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
+
+ return buf.isClean();
+ }
+
+} //namespace anon