In the transcription of Kähler (1987), the transcribers directly changed original orthography into the standardised ones. For instance, the original orthography for nasalised long vowel like ȭ
was changed into õõ
using the Keyman keyboard.
When õõ
is generated using Keyman, it contains four characters under the hood (i.e., two combinations of o + ◌̃).
In order to search and replace these multibytes characters combining letter and diacritics, we need to: