Patch for email addresses with no comment

Messages with From: lines of the form
  From: <Paul.Haldane_at_ncl.ac.uk>
don't show up very nicely in the index pages as we always use the comment part of the line. I suggest the following which uses the email address if no comment is provided.

Paul

• ../cvs/hypermail/src/struct.c Wed Apr 7 14:50:32 1999 --- ./struct.c Thu Apr 8 12:27:23 1999

  ---

• 90,97 ****

    e = (struct emailinfo *) emalloc(sizeof(struct emailinfo));

    e->msgnum = num;
-   e->name = strsav(name);
    e->emailaddr = strsav(email);
  

/* fromdate may be empty (zero length string rather than NULL)

• date will always have something in it - either a date or --- 90,100 ----

    e = (struct emailinfo *) emalloc(sizeof(struct emailinfo));     e->msgnum = num;
    e->emailaddr = strsav(email);

+   if ((name == NULL) || (*name == '\0'))
+     e->name = strsav(email);
+   else
+     e->name = strsav(name);
  

/* fromdate may be empty (zero length string rather than NULL)

• date will always have something in it - either a date or