Chapter Numbering gives you access to all settings for chapter numbering.
The default setting uses the dot only inside the number, i.e. there is no final character. You already have
2.1.2 without the final dot.
CHAPTER 1:, enter "CHAPTER " and “:” respectively in the Separator Before and After. You may eventually need to customise Numbering followed by in the
Position tab to get the correct distance between the number and the title.
You can’t however change the intermediate dot in the numbering because it is internally generated by Writer and you can’t change it for a hyphen to get
Last, chapter numbering defines a single sequence counter. You can’t tell it to change from numeric to alphabetic for the appendices. This change in numbering is possible but the trick is not immediate for a newbie.
Basically, you must define a separate sequence counter with a list style and duplicate the Heading n family to associate the new family with the sequence counter. The various paragraph styles of the new heading family must be given the correct Outline level in their
Outline & Numbering tab.
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