On Tue, Oct 1, 2019 at 3:38 PM Robert Cholette <felixgra...@gmail.com>
wrote:

> Just looking for docs or part of code that would explain it.
>

Because of clones, the code is complex. Don't bother trying to understand
the code's intent from reading it :-)

We want to mark a node "dirty" (changed) if its headline or body text has
changed since the last time we last saved the outline (.leo file).  More
importantly, we want to mark the node that creates the external file dirty
as well, so Leo (and you) can know which files need to be written when we
save the .leo file.

Setting a node dirty will not set any children dirty.

Edward

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