* This is a test
:PROPERTIES:
:CUSTOM_ID: 123
:END:

Of ANSI color sequences

#+begin_src python
for x in y:
    print(x + "this is a test")
#+end_src

: this is a td

=testing=

In paragraph a ~color sequence~ is here.

This is a sequence that covers a block

#+begin_example
shouldn't be colored
#+end_example

there should be an end here there is the end.

begin  
sequence
without end
#+begin_src python
1 + 1
#+end_src

#+begin_quote
open 
#+end_quote

should not be highlighted

#+begin_quote
close 
#+end_quote

This is a paragraph src_python{return "testing"} {{{results(=testing=)}}} with
multiple inline src_python{return 5*4} {{{results(=20=)}}} source blocks.

An inline source block src_python{return 1+ 1 without an
end.  src_python{return "testing"}.