String content = matchAccess.getFileContent(0,
matchAccess.getFileContentLength());
TextFileChange change = (TextFileChange) changes.get(file);
if (change == null) {
// an other participant already modified that file?
TextChange textChange = getTextChange(file);
if (textChange != null) {
return false; // don't try to merge changes
}
change = new TextFileChange(file.getName(), file);
change.setEdit(new MultiTextEdit());