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dotCooCoo
1f841dbeec
Variable Options in the Variables panel only renamed a variable, and no
command changed a variable's kind. variable.rename now takes
{name, newName?, kind?} and renames the variable, changes its kind, or
both, in one undo step, with none when nothing changes. A null or empty
value, an unknown kind, a taken name and locked variables are refused.
A kind change unbinds the objects that can't hold the new kind (text
keeps type with no other text variable, image keeps image objects,
graph keeps graph roots, visibility keeps every object) and drops the
variable's values in every data set. The dialog shows the variable's
name and kind and sends both.