This is a MUCH SANER approach to what I was trying to do (now that I screwed up enough internals to understand some of them!
At this point there are zero exit state reversions, and zero markup reversions! There are still 21 errout reversions; I'll
annotate and adjust as necessary.
the anchor name as a parameter, so it can look in the correct bin.
In the case of FreeAttrs, we have the name already (since we found a name or
id attribute). In the case of FixAnchors, the anchor name could come from
either the name or id attribute, so we call the function separately for each
case, passing the appropriate attribute value.
