/usr/lib/ipe/7.1.4/ipelets/libCGAL_alpha_shapes.lua is in libcgal-ipelets 4.2-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- CGAL alpha shapes ipelet description
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label = "Alpha-shapes"
about = [[
This ipelet is part of the CGAL_ipelet package. See www.cgal.org.
]]
-- this variable will store the C++ ipelet when it has been loaded
ipelet = false
function run(model, num)
if not ipelet then ipelet = assert(ipe.Ipelet(dllname)) end
model:runIpelet(methods[num].label, ipelet, num)
end
methods = {
{ label="k-th Alpha-shape" },
{ label="Help" },
}
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