/usr/share/vim/vim73/indent/xhtml.vim is in vim-runtime 2:7.3.429-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | " Vim indent file
" Language: XHTML
" Maintainer: Bram Moolenaar <Bram@vim.org> (for now)
" Last Change: 2005 Jun 24
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
" Handled like HTML for now.
runtime! indent/html.vim
|