Function language_alias 

pub fn language_alias(name: &str) -> &str

Look up the canonical syntax name for a language alias.

Returns the canonical name if found, or the original input if not.

Example

use streamdown_syntax::language_alias;

assert_eq!(language_alias("py"), "Python");
assert_eq!(language_alias("js"), "JavaScript");
assert_eq!(language_alias("rust"), "Rust");
assert_eq!(language_alias("unknown"), "unknown"); // Returns original