This upload fixes the issue:
gtkhtml3.8 (3.10.1-0ubuntu2) dapper; urgency=low
.
* debian/patches/01_fix_html_list.patch:
- fix html list composition (Ubuntu: #35220)
** Changed in: gtkhtml3.8 (Ubuntu)
Status: Confirmed => Fix Released
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Wrong html generation of bullet list
https://launchpad.net/bugs/35220