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if not modules then modules = { } end modules ['attr-mkr'] = {
version = 1.001,
comment = "companion to attr-mkr.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local has_attribute = node.has_attribute
local markers = nodes.markers or { }
nodes.markers = markers
local cache = { }
local numbers = attributes.numbers
local unknown = attributes.private("marker:unknown")
table.setmetatableindex(cache,function(t,k)
local k = "marker:" .. k
local v = numbers[k] or unknown
t[k] = v
return v
end)
function markers.get(n,name)
local a = cache[name]
return a and has_attribute(n,a) or nil
end
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