macro1 is set
macro1 is empty string
macro5 is empty string
macro1::
macro2:val1:
macro3:val2:
macro4::
macro5::
macro6:val2:
macro7:<quote bla>:
macro7 raw:<quote quote bla>:
macro8:<bla>:
macro8 raw:<quote bla>:
macro9 raw:fooabcval2: :
<tagtest quoted="val1" quotedtoo="val1" notquoted=mval1>
<tagtest
  quoted="val1"
  quotedtoo="val1"
  notquoted=mval1
>