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| -- minimum supported version for full environment
| -- support is 3.8.unkown yet to be released but probably 3
| local environment_fully_supported_version = pandoc.types.Version('3.8.3')
| local environment_partially_supported_version = pandoc.types.Version('3.8.0')
| local is_partially_supported = PANDOC_VERSION >= environment_partially_supported_version
| local problamatic_environments = {
| displaymath = true,
| math = true,
| equation = true,
| ["equation*"] = true,
| gather = true,
| ["gather*"] = true,
| multline = true,
| ["multline*"] = true,
| eqnarray = true,
| ["eqnarray*"] = true,
| align = true,
| ["align*"] = true,
| alignat = true,
| ["alignat*"] = true,
| flalign = true,
| ["flalign*"] = true,
| }
| if is_partially_supported then
| return {
| {
| Math = function(elem)
| if elem.text:find("^%s*\\begin{") ~= nil then
| local replacement = pandoc.text:gsub(elem.text, "^%s*\\begin{(.-)}", "\\begin{%1}"):gsub("\\end{(.-)}%s*$", "\\end{%1}")
| return pandoc.Math(replacement, elem.mathtype)
| else
| return elem
| end
| end,
| }
| }
| elseif not environment_fully_supported_version then
| return {
| {
| Math = function(elem)
| local result = elem.text:match("^%s*\\begin{(%a+%*?)}")
| if result ~= nil and problamatic_environments[result] ~= nil then
| return pandoc.RawInline('tex', elem.text)
| else
| return elem
| end
| end,
| }
| }
| end
|
|
