Support of normative letters of DIN 91379

[vk-github18]

Please support all normative letters of DIN 91379.

The following letters and sequences are not rendered correctly:

Letters:

IJ ij ʼn C̕ K̕ K͟H K͟h P̕ T̕ c̕ k̕ k͟h p̕ t̕ t̛ Č̕ č̕

List of Letters:

comma_above_rightdouble_macron_belowhorn.txt

Rendering:

letters_Questrial-Regular.pdf

comma_above_rightdouble_macron_belowhorn_Questrial-Regular.pdf

See also:

• https://github.com/String-Latin/DIN-91379-Characters-and-Sequences
• https://en.wikipedia.org/wiki/DIN_91379
• https://github.com/notofonts/latin-greek-cyrillic/issues/33
• https://github.com/notofonts/latin-greek-cyrillic/issues/1