These are a little tricky, and might break some quick-and-dirty
implementations. But they are parsed correctly by implementations
based on libHTML.
These constructs are not recommended.
The tags for this element have spaces in them.
Another H4 Just in case it missed the close tag with spaces
Character reference (not used in HTML): 'SPACE;' and È.
And character from data: &, and from markup: &.
And-hash from data: and from markup &#.
Less-thans as data: < <1 <-)
Less-than-slash as data: 1 -)
greater-than (pretty much always data): > abc> 0>
comment: The sample
comment w/space between -- and >: