Fix markdown and other highlighting, #578

Author: sheerun

README.md

@@ -7,7 +7,7 @@ A collection of language packs for Vim.
 > One to rule them all, one to find them, one to bring them all and in the darkness bind them.
 
 - It **won't affect your startup time**, as scripts are loaded only on demand\*.
-- It **installs and updates 120+ times faster** than the <!--Package Count-->590<!--/Package Count--> packages it consists of.
+- It **installs and updates 120+ times faster** than the <!--Package Count-->591<!--/Package Count--> packages it consists of.
 - It is more secure because scripts loaded for all extensions are generated by vim-polyglot (ftdetect).
 - Solid syntax and indentation support (other features skipped). Only the best language packs.
 - All unnecessary files are ignored (like enormous documentation from php support).

after/ftplugin/html.vim

@@ -0,0 +1,13 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'html5') == -1
+
+" Maintainer:  	othree <[email protected]>
+" URL:		      http://github.com/othree/html5.vim
+" Last Change:  2014-05-02
+" License:      MIT
+" Changes:      Add - to keyword
+
+" setlocal iskeyword+=-
+
+setlocal commentstring=<!--%s-->
+
+endif