Names the new multiline style and specifies the multiline style from which to start the new one.
MLSTYLE (Command) Find:

List of Options
The following options are displayed.
- New Style Name
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Names a new multiline style. The element and multiline properties are unavailable until you enter a new name and click Continue.
- Start With
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Determines the multiline style from which to start the new one. To save time, choose a multiline style that is similar to the one that you want to create.
- Continue
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Displays the New Multiline Style dialog box.