Markdown feature addition: --lang

[saminarp]

As specified in the lab 3 instructions: 📝

• Add an optional -l, --lang, and/or \l flag, which indicates the language to use when generating the lang attribute on the root element.
• For example, --lang fr would mean that the HTML documents are in French, and would include , while -l pt-BR would mean the text is using Brazilian Portuguese: . By default, use en-CA for Canadian English.

Why is this important? ❓

The HTML lang attribute specifies the language of the text content used on a web page.
Search engines use the lang attribute to return language-specific results to users. It also signals screen readers’ pronunciation engine to be able to switch to a different language.

[saminarp]

Issue closed by 7546901