For this example there are three definition and two explanations within a chapter.

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Each content marker has an identifier (D.1, E.1, D.2, D.3, and Example.1) and a Render Counter (definition or explanation).

The identifier is not related to the render counter. It is probably more stable to identify the element not by the sequence name. If they are not related, references to the content need not to be changed if another content of the same type is added in front at a later time. You may either use a text phrase or some arbitrary identifier.

Without any formatting, the rendered content looks like this:

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You may add appropriate styles for your design to you space or site style sheet. Alternatively you may use a render template or combine the two approaches.

projectdoc-render-counter-element definition