Editing Template:Start date and age

<includeonly><!--

     IMPLEMENTATION OF DATE

-->{{#if: {{{1|}}}<!--
  -->|{{#if: {{{2|}}}<!--
     -->|{{#if: {{{3|}}}<!--
        -->|{{#ifeq:{{yesno|{{{df|no}}}}}|yes<!--
           -->|{{#expr:{{{3}}}}}&nbsp;{{MONTHNAME|{{{2}}}}}<!--
           -->|{{MONTHNAME|{{{2}}}}}&nbsp;{{#expr:{{{3}}}}},<!--
           -->}} {{{1}}}<!--
        -->|{{MONTHNAME|{{{2}}}}}&nbsp;{{{1}}}<!--
        -->}}<!--
     -->|{{{1}}}<!--
     -->}}<!--
     --><span class="noprint">{{#ifeq:{{yesno|{{{paren|{{{p|no}}}}}}}}|yes||&#059;}}<!--
     -->{{#ifeq:{{yesno|{{{br|no}}}}}|yes|<br/>|&#032;}}<!--
     -->{{#ifeq:{{yesno|{{{paren|{{{p|no}}}}}}}}|yes|(}}<!--
     -->{{#if: {{{2|}}}<!--
       -->|{{#if: {{{3|}}}<!--
          -->|{{time ago|{{{1}}}-{{{2}}}-{{{3}}}|min_magnitude=days}}<!--
          -->|{{years or months ago|{{{1}}}|{{#time:n|1-{{trim|{{{2}}}}}-1}}}}<!--
          -->}}<!--
       -->|{{#iferror:{{#expr:{{{1}}}}}<!--
          -->|{{time ago|{{{1}}}|min_magnitude=days}}<!--
          -->|{{years or months ago|{{{1}}}}}<!--
          -->}}<!--
       -->}}<!--
     -->{{#ifeq:{{yesno|{{{paren|{{{p|no}}}}}}}}|yes|)}}</span><!--
  -->|<!--first parameter is missing.-->{{#if: {{{2|}}}|{{Error|Error: first parameter is missing.|tag=span}}<!--
                                    -->|{{#if: {{{3|}}}|{{Error|Error: first parameter is missing.|tag=span}} }} }}<!--
-->}}<!--

     IMPLEMENTATION OF microformat date classes

--><span style="display:none">&#160;(<span class="{{#ifeq:{{yesno|{{{end|no}}}}}|yes|dtend|bday dtstart published updated}}"><!--
-->{{#if: {{{1|}}}<!--
  -->|{{{1}}}<!--
   -->{{#if: {{{2|}}}<!--
     -->| -{{#time:m|1-{{trim|{{{2}}}}}-1}}<!--
       -->{{#if: {{{3|}}}<!--
         -->| -{{padleft:{{{3}}}|2|0}}<!--
         -->}}<!--
     -->}}<!--
  -->}}<!--
--></span>)</span></includeonly><noinclude>
{{documentation}}
</noinclude>