GC-1046 bug fix

src/server/views/page_presentation.html

@@ -64,9 +64,9 @@ gh/highlightjs/cdn-release@9.12.0/build/languages/yaml.min.js
         {% if 1 === pageBreakSeparator %}
           {% set dataSeparator = "^\n\n\n" %}
         {% elseif 2 === pageBreakSeparator %}
-          {% set dataSeparator = "-----" %}
+          {% set dataSeparator = "^-----$" %}
         {% elseif 3 === pageBreakSeparator %}
-          {% set dataSeparator = pageBreakCustomSeparator %}
+          {% set dataSeparator = "^" + pageBreakCustomSeparator + "$" %}
         {% else %}
           {% set dataSeparator = "^\n\n\n" %}
         {% endif %}