No. Valid HTML requires at least these tags:
HTML file is designed to improve website interface. It's in plain text for simplicity and enforce standardization.
RPC stands for Remote Procedure Call, and is used to cause the remote invocation of computer programs. Therefore, RPC is not a valid email format.
Emails can be plain text. That is ASCII. Or it can be written in HTML coding.
HTML documents are plain-text files, usually encoded in UTF8 format.
You don't compile HTML codes. HTML is a parsed language, meaning that it's transferred to the browser as plain text, and the browser reads it as such.
text/plain
HTML is a code or scriptive language that usually executes java script; it can thus include photos and illustrations. Text is just a collection of letters one reads or may be used to store data such as keyboard configuration for a game. When you are asked about whether you want to receive a file as plain text or as HTML, the plain text version would just have the printed words, whereas the HTML would have photos, illustrations, maybe even video.
Nothing. The HTML extension is just a convenient way of identifying an HTML file on your computer. The actual content of the file is plain text--the same kind of text you might save in Notepad or Vi.
Answers on this site are entered in plain text format. If you want to enter text from a *.txt or *.html file, highlight the text you want to copy and paste in the answer box. Ensure that your copied text does not violate any copyrite rules. Any HTML codes you put in the answer box will be interpreted as text characters and not as HTML code.
It does preformatted text. It displays text in a plain font and it preserves any line breaks, which normally does not happen in html. It also keeps spaces, so the text will look like it is typed in the source code.
Yes, they do. The contents is a lot different for one thing. If you open .htm and then .doc in notepad, you will notice that .htm will display code. .doc will display a bunch of random symbols. A word document can't be displayed in a browser. Also, word documents contain pictures. HTML documents have to have pictures linked to it. That's why people sometimes get image errors with the little red X.
Some websites will not accept HTML code in their forms so that malicious users will not be able to hijack the site. Oftentimes, web forms encode HTML so that it is not actually HTML but just plain text. If a web form does not allow HTML then it is possible that it gives another way of editing the look of the text that the form accepts.