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.

Constructor schema is available as of layer 224. Switch »

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

Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.