Template:Diff2 and Template:Diff2/sandbox: Difference between pages

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-<includeonly><span class="plainlinks"><!--
+<includeonly>{{#ifeq:{{{3|a}}}|{{{3|b}}}                  <!-- if third parameter is given, -->
--->[{{SERVER}}{{SCRIPTPATH}}/index.php?title=&diff=prev&oldid=<!--
+|{{diff||prev|{{{1}}}#{{anchorencode:{{{2|}}}}}|{{{3}}}}} <!-- ...use the 2nd as the anchor and the 3rd as the title; -->
--->{{#ifeq: {{{3|a}}} | {{{3|b}}}                    <!-- if three parameters are given, -->
+|{{diff||prev|{{{1}}}|{{{2|}}}}}                          <!-- otherwise, use the 2nd as the title. -->
-     | {{{1}}}#{{anchorencode:{{{2|}}}}} {{{3}}} <!-- ...use the 2nd as the anchor and the 3rd as the title; -->
+}}</includeonly><noinclude>
-     | {{{1}}} {{{2|}}}                              <!-- otherwise, use the 2nd as the title. -->
-   }}]</span></includeonly><noinclude>
 {{documentation}}
 </noinclude>