I did not realize when I added this that it would mean that ALL
files detected as text/html would be handled this way.
Should fix #11087. But it is the right thing to do anyway.
rc_entry = [r'''\Format gnumeric gnumeric "Gnumeric spreadsheet" "" "" "%%" "document" "application/x-gnumeric"
\Format excel xls "Excel spreadsheet" "" "" "%%" "document" "application/vnd.ms-excel"
\Format excel2 xlsx "MS Excel Office Open XML" "" "" "%%" "document" "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
-\Format html_table html "HTML Table (for spreadsheets)" "" "" "%%" "document" "text/html"
+\Format html_table html "HTML Table (for spreadsheets)" "" "" "%%" "document" ""
\Format oocalc ods "OpenDocument spreadsheet" "" "" "%%" "document" "application/vnd.oasis.opendocument.spreadsheet"'''])
#
checkViewer('an HTML previewer', ['firefox', 'mozilla file://$$p$$i', 'netscape'],