what kind of comments would you like to leave? can you give us a few examples? how would that improve the collab capabilities?
you can create an outline now by doing file→export to local disk→text (or html). the text export creates a tab separated outline, which you can load easily in excel. the html outline creates a doc that you can load in a browser or with word/similar text editors.
How is the proposal different from the current feature?
while this is getting votes, just a quick note that this is already available as a three-step process:
1) use ctrl+x (or cmd+x on mac) to cut a subtree
2) Use File→new from clipboard (potentially in a new mindmup window) to create a new map from the cut tree. Save it and copy the URL from the browser
3) paste the URL into the original map as a new node – this will link to the new map
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Yes, I support it