This is set using the word break column, which can be set differently for each document class.
For example, to configure it to 65 for the Text class
(*.txt):
1) From the Configure menu, choose Preferences.
2) Click the "+" next to Document Classes.
3) Select "Text".
4) Check "Word wrap long lines" and "Save with hard breaks".
5) Check "Word wrap at column number", and type 65 in the box.
6) Click OK.
As you type, words will wrap with a soft break, which will be converted to a hard break when the document is saved, or for selected text, by using the Split Wrapped Lines command, on the Edit menu. You can join selected lines back together again, using the Reformat command.
Helios Software Solutions
How to wrap text at a specific column number.
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