en to ia translation catalogue (4 entries)

en: Failed to open the document
ia: Falleva aperir le documento

en: Failed to compile the Markdown document.
ia: Falleva compilar le documento de Markdown.

en: Enable SmartyPants formatting
ia: Habilita formattation de SmartyPants

en: Markdown Backend Configuration
ia: Configuration de Retro-administration de Markdown
