Escape with single quote, see:

• http://icu-project.org/apiref/icu4j/ # MessagePattern.ApostropheMode
• http://userguide.icu-project.org/formatparse/messages#TOC-Quoting-Escaping
• I18nPipe handle escaping, currently #could not be escaped