Assuming that you already know how to write at least a little HTML you need to select the HTML tab before typing your item description and then type in your coding as you type the description.
Once you have written your description you can select the Standard view tab to see how it will appear onscreen and switch between tabs to make and view any alterations as necessary.
You can't use PHP in an HTML document, but you can use HTML in PHP script.
Ebay Uses a data base to list there there products out to the public. Users can also access that database to submit there own products. Ebay's Database was probably created by Professional Web Developers using HTML/StyleSheets/And Scripting.
http://www.w3schools.com/HTML/
The html converters that are free to use are HTML Converter and Free HTML Converter. These two websites do a great job at converting html files to whatever you need.
There are many sites which teach you HTML,Google ithttp://www.w3schools.com/HTML/
You can't use HTML on Facebook.
Use an html snippet
You can use some HTML for pictures and formatting, but not all HTML can be used (for security purposes). Note that you might need to play around a bit to get HTML to work.
Yes. if you look at page source you will see <html> and other HTML tags.
html code can be copied and pasted. It can be reused.
yes you can use any text editing software to make a HTML file. Just use the rules of HTML and save it as htm or HTML and your good to go.
HTML was introduced to the public in 1990. There were no rules that prohibited commercial use.