ChapterNumberPreference
The ChapterNumberPreference element in IDML: where it appears (Resources/Preferences), its 3 attributes, their values, and how real documents use them.
ChapterNumberPreference appears in 271 of the 305 documents surveyed (88.9%), most often in Resources/Preferences. Paged reads 1 of its 3 attributes and writes 0.
Where it appears
Resources/Preferences· 271 documents
Inside: idPkg:Preferences
Contains: Properties
Attributes
| Attribute | Values | Seen in | Paged |
|---|---|---|---|
| ChapterNumber | integer | 100% | read |
| ChapterNumberFormat in Properties | string | 100% | not read |
| ChapterNumberSource | enum | 100% | not read |
Values are listed only where real documents use a small, closed set; the number after each is how many documents use it. “Seen in” is the share of documents containing ChapterNumberPreference that set the attribute.
Explained in
Counts come from a survey of 305 IDML documents (2026-10-11); only aggregate facts are published. Paged’s support is read from its importer and exporter source, and the typed properties from the engine catalog.
CellStyle
The CellStyle element in IDML: where it appears (Resources/Styles), its 53 attributes, their values, and how real documents use them.
ChapterNumberVariablePreference
The ChapterNumberVariablePreference element in IDML: where it appears (designmap), its 3 attributes, their values, and how real documents use them.