general Lua long comments allowed, e.g --[=[

ldoc/lang.lua

@@ -61,7 +61,7 @@ class.Lua(Lang)
 function Lua:_init()
    self.line_comment = '^%-%-+' -- used for stripping
    self.start_comment_ = '^%-%-%-+'     -- used for doc comment line start
-   self.block_comment = '^%-%-%[%[%-+' -- used for block doc comments
+   self.block_comment = '^%-%-%[=*%[%-+' -- used for block doc comments
    self.end_block1 = ']'
    self.end_block2 = ']'
    self:finalize()

ldoc/tools.lua

@@ -331,7 +331,7 @@ function M.grab_block_comment (v,tok,end1,end2)
    local res = {v}
    repeat
       v = lexer.getline(tok)
-      if v:match '%]%]' then break end
+      if v:match '%]=*%]' then break end
       append(res,v)
       append(res,'\n')
    until false