versioned-text-markup-language is a text markup language created in 1999.
#3478on PLDB | 25Years Old |
<!--{ATTR ID=1 vers=1 author="fabio" date="Jul 16, 1995"}-->
<!--{ATTR ID=2 vers=CURRENT author="david" date=NOW}-->
<!--{INS ATT=1}--> This is <!--{DEL ATT=2}-->
your<!--{/DEL}--> <!--{INS ATT=2}--> my <!--{/DEL}-->
document.