Zmiany
Replace data5 "hack" with something clearer that *appears* to work in the same way.
| {{{data3|}}}
{{#if:{{{data4<includeonly>|</includeonly>}}}|<tr><th>Data 4 (row hidden if data4 empty):<td>{{{data4}}} }}
{{#if:{{{na{{{data5|}}}me<includeonly>|</includeonly>}}}||<tr><th>Data 5 (row hidden if data5 not empty):<td>{{{data5}}} }}
|-
| colspan="2" style="font-size: smaller;" | {{{footnotes|}}}
