In this question someone reports a problem using a here document with a quoted delimiter word inside $(...) command substitution, where a backslash \ at the end of a line inside the document triggers newline-joining line continuation, while the same here document outside command substitution work...

I am extremely upset by President Trump’s executive order on immigration. It is immoral, unconstitutional, and fundamentally un-American. The community on Stack Overflow is made up of users from all over the world. At least 100,000 posts on Stack Overflow were written by users from the seven cou...