1 01/24/82  Standard subsystem request:  list_help, lh
 2 
 3 Syntax:  lh {topics}
 4 
 5 
 6 Function:  displays the names of all subsystem info segments pertaining
 7 to a given set of topics.
 8 
 9 
10 Arguments:
11 topics
12    specifies the topics of interest.  Any subsystem info segment which
13    contains one of these topics as a substring is listed.
14 
15 
16 Notes:
17 If no topics are given, all info segments available for the subsystem
18 are listed.
19 
20 When matching topics with info segment names, an info segment name is
21 considered to match a topic only if that topic is at the beginning or
22 end of a word within the segment name.  Words in info segment names are
23 bounded by the beginning and end of the segment name and by the
24 characters period (.), hyphen (-), underscore (_), and dollar sign ($).
25 The ".info" suffix is not considered when matching topics.
26 
27 
28 Examples:
29 The request line:
30    list_help list
31 will match info segments named list, list_users, and forum_list but
32 will not match an info segment named prelisting.