Better colouring expressions for HTML.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4593 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2014-02-22  Lauri Kasanen  <laxy@Savannah>  (tiny change)
+	* doc/syntax/html.nanorc - Also recognize htm as extension,
+	use cyan for tags (more visible on dark background), correct
+	the expression for ampersand codes, and colour strings too.
+
 2014-02-22  Dennis Jenkins  <dennisjenkins@Savannah>  (tiny change)
 	* doc/syntax/c.nanorc - Also recognize c++ as extension.
 

doc/syntax/html.nanorc

 ## Here is a short example for HTML.
 ##
-syntax "html" "\.html$"
+syntax "html" "\.html?$"
 magic "HTML document text"
-color blue start="<" end=">"
-color red "&[^;[[:space:]]]*;"
+color cyan start="<" end=">"
+color red "&[^;[:space:]]*;"
+color green ""(\\.|[^"])*""