Why Can’t We Use Extended Spanish Characters in Data Entry Systems?

I've been dealing with an ongoing issue regarding the encoding of extended characters like "Ñ" and "ñ" in official documents here in the Philippines. Despite my efforts to get my name properly documented, I encounter resistance from data encoding staff who insist that their systems can't handle these characters. This leads to inconsistencies across my documents, forcing me to gather supporting evidence to validate how my name is spelled. I'm fed up, especially after a recent experience at a police station where they claimed they couldn't include 'Ñ' in their system, resulting in yet another incorrect document.

In light of this frustrating experience, I'm seriously considering starting a petition for local officials to ensure that all legal documentation can accommodate the "Ñ" character, given its importance in the Filipino language. I just find it absurd in 2026 that technology can't handle such basic letters.

So, before I take further action, I want to understand if there's a fundamental programming reason behind the inability to include extended characters in data entry. Are there examples of successful systems that manage encoding and retrieving data with these characters that I can present to support my case? If anyone in the computer science field has insights or resources regarding this issue, I'd greatly appreciate it!