unpack and customize html code in xsn file - has it any problem?

[TheGladiator]

hi guys

I've unpacked my xsn infopath file and change its html file in 2013 version
it means i copy all of my element tag one by one and paste them in a html file in a tidy format.... I removed many code especialy css codes
after that I replace it with view.xsl and open it

My Change was submitted and work good
but Im a little worry about feature updates...

and i want to know has an xsl file any tag that maybe not very usable but it use in some work like updating....
the tag that must be keep in my file and not removed...

thanks
waiting for reply