Phew finally got it in 9 I believe. Took a while to find, with help from other posters (see their post for better explanation of some shared steps)

1 Click add a comment to open the comment box
2 Press help icon on the 'New Post' box already open lower on page
3 Highlight 'Block' at start of 'Blockquotes' tab header of help
4 Drag 'Block' to original comment box
5 Highlight 'user' in 'No userscripts' of original post OR highlight 'User' which is found on the left side of every page 6 Drag 'user/User' to end of comment box
7 Left click left half of 'Blockuser'
8 Click 'Blockbuster' from the spelling context menu (verified both IE and Chrome with no extensions)
9 Click 'Add comment'

Phew finally got it in 9 I believe. Took a while to find, with help from other posters (see their post for better explanation of some shared steps)

1 Click add a comment to open the comment box
2 Press help icon on the 'New Post' box already open lower on page
3 Highlight 'Block' at start of 'Blockquotes' tab header of help
4 Drag 'Block' to original comment box
5 Highlight 'user' in 'No userscripts' of original post OR highlight 'User' which is found on the left side of every page 
6 Drag 'user/User' to end of comment box
7 Right click left half of 'Blockuser'
8 Click 'Blockbuster' from the spelling context menu (verified both IE and Chrome with no extensions)
9 Click 'Add comment'

Phew finally got it in 9 I believe. Took a while to find, with help from other posters (see their post for better explanation of some shared steps)

1 Click add a comment to open the comment box
2 Press help icon on the 'New Post' box already open lower on page
3 Highlight 'Block' at start of 'Blockquotes' tab header of help
4 Drag 'Block' to original comment box
5 Highlight 'user' in 'No userscripts' of original post
  6 Drag 'user' to end of comment box
7 Left click left half of 'Blockuser'
8 Click 'Blockbuster' from the spelling context menu (verified both IE and Chrome with no extensions)
9 Click 'Add comment'

Phew finally got it in 9 I believe. Took a while to find, with help from other posters (see their post for better explanation of some shared steps)

1 Click add a comment to open the comment box
2 Press help icon on the 'New Post' box already open lower on page
3 Highlight 'Block' at start of 'Blockquotes' tab header of help
4 Drag 'Block' to original comment box
5 Highlight 'user' in 'No userscripts' of original post OR highlight 'User' which is found on the left side of every page 6 Drag 'user/User' to end of comment box
7 Left click left half of 'Blockuser'
8 Click 'Blockbuster' from the spelling context menu (verified both IE and Chrome with no extensions)
9 Click 'Add comment'