Add MESSAGEs Template

[tajmone]

We should add to the repository a template with all the default MESSAGE definitions, which can the be used by translators of the StartLib to other locales as a working blueprint for localizing messages.

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Reference Links

• ALAN Manual:
  • §3.15. MESSAGEs
  • App. C.1. Input Response Messages
• ALAN Sources » compiler/msg.c