## Here is an example for HTML.

syntax html "\.html?$"
magic "HTML document"
comment "<!--|-->"

# Tags:
color cyan "<[[:alpha:]/!?][^>]*>"
# Bold, italic, and underlined:
color brightmagenta "</?[biu]>"

# Named character references:
color red "&[^;[:space:]]*;"
# Strings:
color green ""(\\.|[^"])*""

# Attributes:
color red "(abbr|accept(-charset)?|accesskey|action|alink|align|alt|archive|axis|background|bgcolor|border)="
color red "(cell(padding|spacing)|char(off|set)?|checked|cite|class(id)?|compact|code(base|tag)?|cols(pan)?)="
color red "(content(editable)?|contextmenu|coords|data|datetime|declare|defer|dir|disabled|enctype)="
color red "(for|frame(border)?|headers|height|hidden|href(lang)?|hspace|http-equiv|id|ismap)="
color red "(label|lang|link|longdesc|margin(height|width)|maxlength|media|method|multiple)="
color red "(name|nohref|noresize|noshade|object|onclick|onfocus|onload|onmouseover|profile|readonly|rel|rev)="
color red "(rows(pan)?|rules|scheme|scope|scrolling|selected|shape|size|span|src|standby|start|style|summary)="
color red "(tabindex|target|text|title|type|usemap|valign|value(type)?|vlink|vspace|width|xmlns|xml:space)="

# Comments:
color yellow start="<!--" end="-->"