Phonetic transcription of tone in the IPA

Is the IPA really a phonetic transcription system when it comes to tone? Or must it force a user to make a phonological evaluation?

Keyboard layout as part of language documentation: The case of the Me'phaa and Chinantec keyboards

Successful writing systems today depend on electronic input methods which can be easily used for producing printed or electronic material. This paper explores keyboard design issues involved in designing two keyboards for two different established …