Converting existing nodes to numbered nodes
 
To convert an existing subtree to a set of numbered nodes
 
a) To number the immediate child nodes (first level) only
Click Main menu ⁄ Tree ⁄ Number subtree ⁄ One level or
Click Tree context menu ⁄ Number subtree ⁄ One level.
 
b) To number all descendant nodes of the selected node
Click Main menu ⁄ Tree ⁄ Number subtree ⁄ All levels or
Click Tree context menu ⁄ Number subtree ⁄ All levels.
 
Converting an existing subtree is useful if you wish to preserve the order of nodes in a non-sorted subtree in case of accidental sorting. Here you might first click Insert ⁄ Node name from the Article pane to copy the old title to the top of its article, then rename the nodes numerically.
 
Imagine that we wish to number the articles in this data file:
 
Fig. 1
 
By selecting the Root node as the base node from which to commence numbering, we will end up with the result shown in Fig. 2 if we select One level (the top level) or Fig. 3 if we select All levels:
 
 
Fig. 2 Fig. 3
 
Note that numbering will only be available when the Tree pane has focus, and that article titles are preserved, only prefixed with a number.
 
We need only number a subtree within the tree if we wish, by selecting a subtree node as a starting point:
 
 
Fig. 4 (before) Fig. 5 (after)
 
If that node commences with a number, that number will be used as the basis of the subtree numbering. In this way, you can force numbering to start at a value greater than 1. Note however that any child nodes also commencing with a number will have that number replaced by the imposed numbering. In this example, we changed the names of the "Regulations" node to "5 Regulations" and the "Subsection node to "3 Subsection" before applying numbering:
 
 
Fig. 6 (before) Fig. 7 (after)
 
Note that the number 5 was used as the base for numbering this subtree, and that the number 3 has been replaced.
 
To remove numbering from a set of numbered nodes
 
a) To remove numbering from the immediate child nodes (first level) only
Click Main menu ⁄ Tree ⁄ Remove subtree numbering ⁄ One level or
Click Tree context menu ⁄ Remove subtree numbering ⁄ One level.
 
b) To remove numbering from all descendant nodes of the selected node
Click Main menu ⁄ Tree ⁄ Remove subtree numbering ⁄ All levels or
Click Tree context menu ⁄ Remove subtree numbering ⁄ All levels.
 
Thus you can add or remove numbering at different levels. Removing the upper level of numbering from the tree in Fig. 7, we get the result shown in Fig. 8:
 
 
Fig. 8
 
"Removing subtree numbering" means what it says! It will remove all numbers, periods and spaces from the beginning of a node title:
 
 
Fig. 9 (before) Fig. 10 (after)
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