messageEntityDiffReplace

Represents an diff replacement, render it as follows:

Insert old_text into the text at offset offset, underline it and color it in red: note that this insertion does not affect the offsets of entities that come after it.
underline the section delimited by offset and limit and color it in green.

See here » for more info on how to render diff entities.

messageEntityDiffReplace#c6c1e5a7 offset:int length:int old_text:string = MessageEntity;

Name	Type	Description
offset	int	Offset of message entity within message (in UTF-16 code units)
length	int	Length of message entity within message (in UTF-16 code units)
old_text	string	The chunk of text that was removed.

How to create styled text with message entities

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