def inc_indent(delta):
    global line_indent
    global indent
    if ((line_indent + delta) > 1):
        return
    if ((line_indent + delta) < (- 1)):
        return
    line_indent += delta
    indent += delta
    if (indent < 0):
        indent = 0
def inc_indent(delta):
    global line_indent
    global indent
    if ((line_indent + delta) > 1):
        return
    if ((line_indent + delta) < (- 1)):
        return
    line_indent += delta
    indent += delta
    if (indent < 0):
        indent = 0