is not an error

stevecheckoway · stevecheckoway · commit e20b7b3d1844 · 2018-10-01T14:26:10.000-04:00
Starting from the data state, we have
1. `&lt;` switches to the tag open state
2. `!` switches to the markup declaration open state
3. `--` switches to the comment start state
4. `-` (the third one) switches to the comment start dash state
5. `-` (the fourth one) switches to the comment end state
6. `-` (the fifth one) appends `-` to the comment and does not change
   state
7. `&gt;` emits the comment token and switches to the data state.
diff --git a/tree-construction/comments01.dat b/tree-construction/comments01.dat
@@ -174,7 +174,6 @@ FOO<!-->BAZ
 FOO<!----->BAZ
 #errors
 (1,3): expected-doctype-but-got-chars
-(1,10): unexpected-dash-after-double-dash-in-comment
 #document
 | <html>
 |   <head>
diff --git a/tree-construction/tests1.dat b/tree-construction/tests1.dat
@@ -425,7 +425,6 @@ Line1<br>Line2<br>Line3<br>Line4
 #data
 <!-----><font><div>hello<table>excite!<b>me!<th><i>please!</tr><!--X-->
 #errors
-(1,7): unexpected-dash-after-double-dash-in-comment
 (1,14): expected-doctype-but-got-start-tag
 (1,41): unexpected-start-tag-implies-table-voodoo
 (1,48): foster-parenting-character-in-table
