1if not modules then modules = { } end modules [ ' attr-mkr ' ] = {
2 version = 1 . 001 ,
3 comment = " companion to attr-mkr.mkiv " ,
4 author = " Hans Hagen, PRAGMA-ADE, Hasselt NL " ,
5 copyright = " PRAGMA ADE / ConTeXt Development Team " ,
6 license = " see context related readme files "
7}
8
9local markers = nodes . markers or { }
10nodes . markers = markers
11
12local cache = { }
13local numbers = attributes . numbers
14local a_unknown = attributes . private ( " marker:unknown " )
15
16table . setmetatableindex ( cache , function ( t , k )
17 local k = " marker: " . . k
18 local v = numbers [ k ] or a_unknown
19 t [ k ] = v
20 return v
21end )
22
23function markers . get ( n , name )
24 local a = cache [ name ]
25 return a and n [ a ] or nil
26end
27 |
