Start
Start with invalid anchor #invalid3
because the text continue
This is valid,
Anchor is on a line by itself (valid3)
Section valid4
Section 2 #invalid4
Section 3 with valid5 anchor
#invalid5 
 In title
in quote
valid 6 in quote
- DL
- 
#invalid7 in dl
 
- DL
- 
#invalid8
valid11 in dl
 
- 
#invalid9 in list
 
- 
#invalid10
at list beginning list
in list par
valid 11 in list par
 
Try the footnote 
valid12 near the footnote
in verse
valid13 in verse
before verse
#invalid12 in verse
#invalid13
invalid14x in verse
verse with anchor
#invalid14
In example is not valid.
#invalid15
In example is not valid.
#invalid16
In verbatim is always neutralized.
 :: This is an anchor, but dt breaks, it's not a list anymore
- #invalid17
- 
This is a DL
 
Summary
Valid
Invalid
[1]
 #invalid11
    in footnote