Well known entries
Zim archives contains specific entries in the `W` namespace.
All well known entries are optional :
- Writers should create those entries when possible.
- Readers must be prepare for entries missing.
W/mainPage is a redirect entry to the main page in the
The Zim header's mainPage is the number of this entry.
W/favicon is a redirect entry to the favicon image in the
Readers may use this entry to display the icon of the zim archive in different place.
Articles in the Zim archive must not use this entry but directly link to the entry in the