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Better support \mathord and less unnecessary mrows

This commit is contained in:
Marcel Fabian Krüger 2021-04-24 20:41:10 +02:00
parent 23c6714e97
commit 1ab153ed8a
1 changed files with 8 additions and 0 deletions
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8
luamml-convert.lua
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@ -110,6 +110,10 @@ local function noad_to_table(noad, sub, cur_style)
local class = noad_sub[sub]
local nucleus, core = kernel_to_table(noad.nucleus, class == 'over' and cur_style//2*2+1 or cur_style)
if class == 'ord' then
if core and core[0] == 'mo' then
core[0] = 'mi'
core.stretchy, core.mathvariant = nil, #core == 1 and type(core[0]) and utf8.len(core[0]) == 1 and utf8.codepoint(core[0]) < -0x10000 and 'normal' or nil
end
elseif class == 'opdisplaylimits' or class == 'oplimits' or class == 'opnolimits' or class == 'bin' or class == 'rel' or class == 'open'
or class == 'close' or class == 'punct' or class == 'inner' then
if not core or not core[0] then
@ -306,6 +310,10 @@ function nodes_to_table(head, cur_style)
core = new_core
end
end
if t[0] == 'mrow' and #t == 1 then
assert(t == result)
result = t[1]
end
return result, core
end