Issue with 'Umlauts' (special characters) when using plain text mails

Issue with 'Umlauts' (special characters) when using plain text mails

Zoho mail does not handle umlauts, as they occur e.g. in the german language, properly,
when using plain text mails.
Example for umlauts are: ü, ö, ä.

My mail settings:
- I am using the default encoding schema UTF-8 for outgoing mails set in the mail settings
- and I like plain text mails which does NOT mean, that only ASCII characters exist!


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The bug occurs in a reproducible way as follows in step no. 4:
1. create a new mail in plain text mode which has umlauts and save as a draft -> correct display of umlauts
2. switch to inbox and back to drafts folder -> still correct display of umlauts
3. Close the draft view with the cross icon
4. Re-open the draft folder to find the draft mail -> umlauts get wrongly converted to their HTML representation: ü --> ü ä --> ä ö --> ö

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Interesting Workaround:
5. Switch to rich text mode, the correct information (ü,ä,ö) is still there;
then switch back to plain text mode -> again correct display of umlauts.