The following settings handle the items in two-level ordered lists.
[Numbered] number = ListNum xref = NumXref
[NumberedFirst] based = Numbered number = ListFirstNum
[Numbered2] based = Numbered number = List2Num
[Numbered2First] based = Numbered2 number = List2FirstNum
[ListStream] counters = 2 counter types = Num LCAlpha
[ListNum] stream = ListStream counter = 1 form = <counter1/>.<tab/>
[ListFirstNum] based = ListNum start = 1
[List2Num] stream = ListStream counter = 2 form = <tab/><counter2/>.<tab/>
[List2FirstNum] based = List2Num start = 1
In this example, format NumberedFirst starts a list at number 1, using Arabic numerals, and resets the following (higher-numbered) counter; format Numbered continues the same list. Format Numbered2 starts or continues a subordinate list, using lowercase letters instead of numerals.
Note: For ordered lists, these settings take effect in HTML only if you do not specify HTML list styles; see §30.10.2 Converting list formats to HTML list styles.