EDD Context Rules for a parent element possible?

Question

Hi all,
I understand the use of {first} when identifying the context of an element, such as:
If context is: {first}<Section
But what if I want to set whether Section is first inside its parent?
For instance, for this hierarchy:
<chapter>
  <section></title></section>
  <section></title></section>
</chapter>
I want to say that if <title> appears in the first <section> element within a <chapter>,  then apply a particular format.  Otherwise, apply a different format if <title> appears in a <section> that is not first within a <chapter>. -- i.e. a parent element context, if you will.
The syntax to do this is eluding me.  My EDD has a series of context rules for a <title>, including for when it appears within a <section>, like this:
Else, if context is: Section < Chapter
     If context is: <{first}<Chapter
        Use paragraph format: Heading1NoNewPage
     Else
        Use paragraph format: Heading1
Whatever syntax I try for the context rule above (that the section be first within the chapter), I get parsing errors or the rule is not read.  I've tried:
If context is: Section<Chapter{first}
If context is: <{first}<Chapter                   // invalid
If context is: Section{first}<Chapter          // applies only Heading1; never reads this
If context is: Section < {first} Chapter       // invalid
Any ideas if there is a syntax that allows you to set a context for  the parent element, and not just for the element in question?
Thanks for anyone's help on this.
Shelley
Shelley Hoose
Rogue Wave Software
Senior Documentation Developer

Answer 1

Shelley,
  A few minutes ago, I suggested you use a context specification such as:
      Section{after Title} < Chapter
That's fine, but if in fact the first Section in a Chapter can follow many possible types of elements (Title, Paragraph, List, Figure, Table, etc.), you do not want to have to test for all of them. If a Section's only possible following sibling is another Section, you can use that fact to distinguish the first Section from others:
     1. If context is: Section{after Section} < Chapter
           Use paragraph format: Heading1
        Else, if context is: Section < Chapter
           Use paragraph format: Heading1NoNewPage
My own preference in such a situation is to use level rules instead of context rules. Furthermore, instead of defining a new paragraph format to suppress the page break, I would use hierarchical styles:
      1. Count ancestors named: Section
         If level is: 1
            Use paragraph format: Heading1
          If level is: 2
            Use paragraph format: Heading2
         Else
            Numbering properties
                Autonumber format: *** Only 2 section levels supported ***
     2. If context is: Section{after Section} < Chapter
            No additional formatting.
         Else
            Pagination properties
              Start position: Anywhere
         --Lynne