Template:Overline/sandbox

Option 1: {{#ifeq:{{{2|}}}|{{{2}}}|{{{1|}}}}}{{{2|{{{1}}}}}} Option 2: {{#if:{{{2|}}}|{{{1|}}}}}{{#if:{{{2|}}}|{{{2}}}|{{{1}}}}}

The options differ in how they handle empty second parameters. Option 1

Option 1 accpts an empty second parconsiders an empty second parameter to be invoking the 20argument form. Option 2 considers an emoty second parameter

• {{Overline/sandbox|0.23|5}}
• {{Overline/sandbox|1}}
• {{Overline/sandbox|1.|3}}
• {{Overline/sandbox|run|DMC}}
• {{Overline/sandbox||23.3}}
• {{Overline/sandbox|32.34| }} (different as expected)
• {{Overline/sandbox|1=343|2=}} (different as expected)
• {{Overline/sandbox|232|}} (different as expected)
• {{Overline/sandbox|1=11.1}}
• {{Overline/sandbox|2=22.2}}