Set the document's declared language

Wraps FPDFCatalog_SetLanguage. The language tag follows BCP-47 (e.g. "en", "en-US", "de-AT").

Usage

pdf_doc_set_language(doc, lang)

Arguments

doc

A read-write pdfium_doc.

lang

Character scalar — the BCP-47 language tag.

Value

Invisibly returns doc.