A Copy of ruler guides alone left the system clipboard as it was, so the
next Paste took whatever another app had copied before instead of the
guides. The guides-only Copy now empties the system clipboard (on the
web, empty text through egui with Copy As SVG on), as any Copy replaces
what the clipboard held, and drops an earlier Copy's formats not written
yet. What another app copies afterwards still pastes.
Copying only ruler guides published an empty SVG and text to the system clipboard, replacing
what other apps put there. The clipboard now offers other apps nothing without art. Tests cover
two pastes adding guides of their own on the current layer (following its visibility) and the
SVG carrying no guides.
With anchors and ruler guides selected, Cut deletes the anchors and the
selected guides in one undo step (edit.clear's guides: true reaches the
anchor-deleting path).
Cut with objects and ruler guides selected now removes both, in one
undo step: edit.clear takes guides: true beside ids to delete the
selected guides with the objects it names.
Edit > Copy and Cut put the selected ruler guides on the clipboard,
with the selected objects or on their own. Pasting puts them on the
layer new art goes to, selected, in the same undo step: with objects
they move as the objects do; alone they keep their places, while Paste
in Place / in Front / in Back put them on the active artboard as they
lay on theirs, and Paste on All Artboards on every artboard.
Don Omondi