abbr tag and acronym tag_HTML/Xhtml_web page production

The and tags represent the text abbreviation and abbreviation presented in the web page, both pass title attribute to give the full name of the abbreviation . The difference between the two is that the tag is used to represent the acronym , and often the abbreviated form is a word that can be pronounced . For example:

title="United Nations">U.N./abbr>

Jack weighs 90 abbr title="kilograms">kg.abbr>

abbr title="Save Our Soul">SOSabbr>

acronym title=" North Atlantic Treaty Organization">NATOacronym>

acronym title="radio detecting and ranging">radar acronym>

abbr title="Federal Bureau of Investigation">FBIabbr>

The displayed result is:
U.N.
Jack weighs 90 kg.
SOS
NATO
radar
FBI
There are some abbreviations, like URL and SQL can be pronounced as as one word , or as pronounced letter by letter as , in which case use abbr> tag is better than . Style sheets can now be used to specify spoken pronunciation, for example

abbr title="Structured Query Language">SQLabbr>

and

abbr[title="Structured Query Language"]{speak:spell-out;}

are used together.

[This tag is not useful for simple browsing, but it can be used if you want the text to be searchable]