## 10 Miscellaneous options

*** describe sgml-save-options

User Option: sgml-ignore-undefined-elements

  Start-tags for undefined elements will either be ignored, if `sgml-ignore-undefined-elements` is `t`, or assumed to be acceptable in the current element and defined with `O O ANY`

User Option: sgml-range-indicator-max-length

  Maximum number of characters used from the first and last entry of a sub-menu to indicate the range of that menu.

  This is used for long menus of elements, tags or entities that are split into `sgml-max-menu-size` big sub-menus.