test #3
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Delete branch "%!s()"
Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?
test video
https://hub.openingdesign.com/attachments/3f15290d-0181-4cc5-87ba-280f59a17382
This is superscript: 2^10^
This is superscript: 210
FIRE-RESISTANCE RATING REQUIREMENTS FOR EXTERIOR WALLS BASED ON FIRE SEPARATION DISTANCEa, d, g