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-->{{#if: {{{pages|}}}|<!--
-->{{#vardefine: varSepPos|{{#pos: {{{pages|}}}|-}}|}}<!--
-->{{#ifexprif: {{#var: varSepPos}} > 0<!-- -->|<!-- separator is found: extract first pageif the separator is not the first character
--><!--
-->{{#ifeq: {{#var: varSepPos}}|0<!-- -->|<!-- separator is the first character: return empty string --><!-- -->{{#vardefine: varFirstPage|}}<!-- --><!-- -->|<!-- separator is not the first character: extract the string --><!-- -->{{#vardefine: varFirstPage|<!-- -->{{#sub: {{{pages}}}|0|{{#var: varSepPos}}|}}|<!-- -->}}<!-- vardefine --><!-- -->}}<!-- vardefine if separator is the first character
--><!--
-->|<!-- separator is not found: take the whole value of page

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