md_escape.pl -- Markdown slash-escaped sequences

Recognizes Markdown slash-escaped sequences. More info: http://daringfireball.net/projects/markdown/syntax#backslash

md_escaped_string(-Codes)// is det
Recognizes string with escapes inside it. Consumes new code/escape sequence on backtracking.
md_escaped_code(-Codes)// is det
Recognizes single code that could have been escaped.
md_escaped_code(?Code) is nondet
List of possibly escaped symbols. More info: http://daringfireball.net/projects/markdown/syntax#backslash