Hierarchical Select Taxonomy: using the [save-lineage-termpath] token
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When you're using the Token module, and likely the Pathauto module, and you've
configured your Hierarchical Select to save the lineage, you may want to show
the saved lineage (or the first lineage in case you've also enabled the
dropbox) in your URL. That's possible through the [save-lineage-termpath]
token (and other similar tokens). However, by default it uses the separator
you've configured Pathauto to use (if you aren't using Pathauto then it will
default to a dash). You can override this by setting the hs_taxonomy_separator
variable. Also, when you're using Pathauto and it seems to be stripping the
separator you've configured, then you may want to configure that character in
Pathauto's Punctuation settings to "No action (do not replace)".