Text overflow in table cell

[rgaiacs]

Given the minimal Markdown working example

Multiline tables respect the relative width of columns

-------------------------------------------------------------------------------------------------------------------------
Search Engine Foo                        Bar                        Foo                        Bar
------------- -------------------------- -------------------------- -------------------------- --------------------------
DuckDuckGo    1                          1                          1                          1

X             1                          1                          1                          1
-------------------------------------------------------------------------------------------------------------------------

Converting the Markdown to PDF with pandoc --from markdown+multiline_tables --to pdf --output mwe.pdf mwe.md produces mwe.pdf that has

Note that DuckDuckGo overflow the cell.

[rgaiacs]

Based on https://tex.stackexchange.com/a/338524/22451, we should use LuaLaTeX.