'Load filename, create an editor instance and return it
*Warning* This is loading file, creating editor but not executing
the source code analysis -- the analysis must be done by the editor
plugin (in case multiple editorstack instances are handled)'

def load(self, filename, set_current=True):

    filename = osp.abspath(to_text_string(filename))
    self.starting_long_process.emit((_('Loading    %s...') % filename))
    (text, enc) = encoding.read(filename)
    finfo = self.create_new_editor(filename, enc, text, set_current)
    index = self.data.index(finfo)
    self._refresh_outlineexplorer(index, update=True)
    self.ending_long_process.emit('')
    if (self.isVisible() and self.checkeolchars_enabled and sourcecode.has_mixed_eol_chars(text)):
        name = osp.basename(filename)
        self.msgbox = QMessageBox(QMessageBox.Warning, self.title, (_('<b>%s</b>    contains    mixed    end-of-line    characters.<br>Spyder    will    fix    this    automatically.') % name), QMessageBox.Ok, self)
        self.msgbox.exec_()
        self.set_os_eol_chars(index)
    self.is_analysis_done = False
    return finfo
