[BKh]

I'm using Calibre to convert from a Sigil created e-pub to mobi and I'm viewing the mobi on a Kindle3. I created a simple epub file as example of what is going wrong. (attached to this message) I have a series of headings that I use to create a ToC using the built in Sigil feature. The ToC looks and works fine in Calibre's viewers and on the Kindle. The H's below are the different heading levels...


H1-1
-H2-2
-H2-3
--H3-4
--H3-5
--H3-6
-H2-7
--H3-8
H1-9
-H2-10
--H3-11
H1-12
H1-13

But when I look at it on the Kindle and try to jump to "chapters" using the 4-way navigator, it skips several of them as indicated below.

H1-1
-H2-2
-H2-3 skips
--H3-4
--H3-5
--H3-6
-H2-7 skips
--H3-8
H1-9 skips
-H2-10 skips
--H3-11
H1-12
H1-13

I tried breaking them up into real chapters but it still skipped.

I've never had this problem on e-pubs that only had two levels of h tags. I include the code from the epub book below followed by part of the toc.nxc.

Please forgive me if there is something silly I'm missing.

<h1 id="heading_id_2">H1-1</h1>
<h2 id="heading_id_3">H2-2</h2>
<h2 id="heading_id_4">H2-3</h2>
<h3 id="heading_id_5">H3-4</h3>
<h3 id="heading_id_6">H3-5</h3>
<h3 id="heading_id_7">H3-6</h3>
<h2 id="heading_id_8">H2-7</h2>
<h3 id="heading_id_9">H3-8</h3>
<h1 id="heading_id_10">H1-9</h1>
<h2 id="heading_id_11">H2-10</h2>
<h3 id="heading_id_12">H3-11</h3>
<h1 id="heading_id_13">H1-12</h1>
<h1 id="heading_id_14">H1-13</h1>

This is from epub's toc.nxc:

<navMap>
    <navPoint id="navPoint-1" playOrder="1">
      <navLabel>
        <text>H1-1</text>
      </navLabel>
      <content src="Text/Section0001.xhtml" />
      <navPoint id="navPoint-2" playOrder="2">
        <navLabel>
          <text>H2-2</text>
        </navLabel>
        <content src="Text/Section0001.xhtml#heading_id_3" />
      </navPoint>
      <navPoint id="navPoint-3" playOrder="3">
        <navLabel>
          <text>H2-3</text>
        </navLabel>
        <content src="Text/Section0001.xhtml#heading_id_4" />
        <navPoint id="navPoint-4" playOrder="4">
          <navLabel>
            <text>H3-4</text>
          </navLabel>
          <content src="Text/Section0001.xhtml#heading_id_5" />
        </navPoint>
        <navPoint id="navPoint-5" playOrder="5">
          <navLabel>
            <text>H3-5</text>
          </navLabel>
          <content src="Text/Section0001.xhtml#heading_id_6" />
        </navPoint>
        <navPoint id="navPoint-6" playOrder="6">
          <navLabel>
            <text>H3-6</text>
          </navLabel>
          <content src="Text/Section0001.xhtml#heading_id_7" />
        </navPoint>
      </navPoint>
      <navPoint id="navPoint-7" playOrder="7">
        <navLabel>
          <text>H2-7</text>
        </navLabel>
        <content src="Text/Section0001.xhtml#heading_id_8" />
        <navPoint id="navPoint-8" playOrder="8">
          <navLabel>
            <text>H3-8</text>
          </navLabel>
          <content src="Text/Section0001.xhtml#heading_id_9" />
        </navPoint>
      </navPoint>
    </navPoint>
    <navPoint id="navPoint-9" playOrder="9">
      <navLabel>
        <text>H1-9</text>
      </navLabel>
      <content src="Text/Section0001.xhtml#heading_id_10" />
      <navPoint id="navPoint-10" playOrder="10">
        <navLabel>
          <text>H2-10</text>
        </navLabel>
        <content src="Text/Section0001.xhtml#heading_id_11" />
        <navPoint id="navPoint-11" playOrder="11">
          <navLabel>
            <text>H3-11</text>
          </navLabel>
          <content src="Text/Section0001.xhtml#heading_id_12" />
        </navPoint>
      </navPoint>
    </navPoint>
    <navPoint id="navPoint-12" playOrder="12">
      <navLabel>
        <text>H1-12</text>
      </navLabel>
      <content src="Text/Section0001.xhtml#heading_id_13" />
    </navPoint>
    <navPoint id="navPoint-13" playOrder="13">
      <navLabel>
        <text>H1-13</text>
      </navLabel>
      <content src="Text/Section0001.xhtml#heading_id_14" />
    </navPoint>
  </navMap>