HTML/XHTML:Basic other stuff

In-page hyperlink (bookmark)
In very large documents, it is common to place an index at the top of the page that jumps to a position in the page. Also within the page a -to top - jump is provided. 

So the #stuff indicates which anchor the link is to go to. If you want to go from one web page and hyperlink to am inpage link of another web page, you can add the # anchor to the URL in the hyperlink e.g. http://www.xyz.com/#inpagelink

Reserved Characters
Certain reserved characters are part of the XML syntax and will not be interpreted as themselves if used in the data portion of an element. There are some text equivalent strings to represent special characters (starting with an & and ending with a ; (eg. &amp;amp;).The International standards organisation (ISO) has defined character extensions to the standard ASCII set using numerical values (starting with &# and ending with ; (eg. &amp;#38; = &). You need to substitute a special character sequence (called an "entity" by XML) as follows: ^table; Some reserved and special characters

The &amp;apos; is not well supported. There are many more! Ref: Phillips (2000), Appendix D

Shortcut icon
In the &lt;head> area 

Note icon must be 16 x 16 pixels

Ref: Microsoft (2006)