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开源软件介绍(OpenSource Introduction)：

extended_text_library

library for extended_text and extended_text_field.

extended_text

Extended official text to build special text like inline image or @somebody quickly,it also support custom background,custom over flow and custom selection toolbar and handles.

extended_text_field

Extended official text field to build special text like inline image, @somebody, custom background etc quickly.It also support to build custom seleciton toolbar and handles.