Hi Chris,
Subtopic 1: the behavior of 0.8.0 as regards node IDs. Indeed, if a new map
is created in 0.8.0 rather than opened in 0.8.0, the IDs are stored in every
node. However, if a map without IDs is opened in 0.8.0, changed, and saved
from it, then not all nodes have IDs. This I am writing for the sake of
completeness.
So this issue must have slipped during the review process of 0.8.0.
Subtopic 2: How to persist only necessary IDs. I understand that the IDs are
needed for at least four purposes:
* undo
* connectors
* internal links, that is, hyperlinks between nodes
* certain export to HTML, for anchors.
>From among these cases, only connectors and internal links require that IDs
are persisted. I think it should be not too hard to tell whether the ID of a
node needs to be persisted: if (a) the node is a target of a connector, or
(b) node is a target of an internal link.
Subtopic 3: What should we do with node IDs. That persisting only some IDs
is technically possible does not yet mean that this is what we should do.
Still, I tend to think we should store only necessary IDs, to make the XML
more tidy, and make the life of CVS people easier. Some CVS people have been
dropping IDs altogether from their files, using a sed command, as can be
seen from
http://freemind.sourceforge.net/wiki/index.php/Accessories
The command that I have in mind is
sed -e "s/ \(CREATED\|MODIFIED\|ID\|POSITION\|FOLDED\)=\"[0-9a-zA-Z_]*\"//g"
Old.mm > New.xml
But when they did, they broke all the connectors and internal links that
they might have in their maps.
Best regards,
Dan
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