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<title>Option: custom_undo_redo_levels</title>
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	<h1>Option: custom_undo_redo_levels</h1>

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		This option should contain the number of undo levels to keep in memory. This is set to -1 by default and such a value tells TinyMCE to use a unlimited number of undo levels. But this steals lots of memory so for low end systems a value of 10 may be better.

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	<h3>Example of usage of the custom_undo_redo_levels option:</h3>
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	<strong>custom_undo_redo_levels : 10</strong>

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