Lang code

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This template is to be transcluded in public domain help pages.

Return the language code of current page.

Example

When transcluded in,

• "Page" yield "en"
• "Page/sub" yield "en"
• "Page/en" yield "en"
• "Page/fr" yield "fr"
• "Page/ja" yield "ja"
• "Page/th" yield "th"

• title: Help:Deleting a page --> en
• title: Help:Deleting a page/th --> th
• title: Help:Deleting a page/subpage --> en
• title: Help:Deleting a page/subpage/th --> th