diff options
Diffstat (limited to 'tex/context/base/node-res.lua')
| -rw-r--r-- | tex/context/base/node-res.lua | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/tex/context/base/node-res.lua b/tex/context/base/node-res.lua index a8ea8745a..21bcae1d4 100644 --- a/tex/context/base/node-res.lua +++ b/tex/context/base/node-res.lua @@ -86,6 +86,7 @@ local baselineskip = register_node(new_node("glue",2)) local leftskip = register_node(new_node("glue",8)) local rightskip = register_node(new_node("glue",9)) local temp = register_node(new_node("temp",0)) +local noad = register_node(new_node("noad")) function nodes.zeroglue(n) local s = n.spec @@ -212,6 +213,11 @@ end function nodes.temp() return copy_node(temp) end + +function nodes.noad() + return copy_node(noad) +end + --[[ <p>At some point we ran into a problem that the glue specification of the zeropoint dimension was overwritten when adapting a glue spec @@ -225,33 +231,16 @@ and hide it for the user. And yes, LuaTeX now gives a warning as well.</p> ]]-- -if tex.luatexversion > 51 then - - function nodes.writable_spec(n) - local spec = n.spec - if not spec then - spec = copy_node(glue_spec) - n.spec = spec - elseif not spec.writable then - spec = copy_node(spec) - n.spec = spec - end - return spec - end - -else - - function nodes.writable_spec(n) - local spec = n.spec - if not spec then - spec = copy_node(glue_spec) - else - spec = copy_node(spec) - end +function nodes.writable_spec(n) + local spec = n.spec + if not spec then + spec = copy_node(glue_spec) + n.spec = spec + elseif not spec.writable then + spec = copy_node(spec) n.spec = spec - return spec end - + return spec end local cache = { } @@ -300,3 +289,5 @@ end) -- \topofboxstack statistics.register("node memory usage", function() -- comes after cleanup ! return status.node_mem_usage end) + +lua.registerfinalizer(nodes.cleanup_reserved) |