CTAN
Comprehensive TeX Archive Network

CTAN Mark­down: Links

Links can be given by en­clos­ing them in square brack­ets. The URL in brack­ets is used both for the link and the text to be shown.

  [url]  

Links may have text and URl sep­a­rated. En­close the text in square brack­ets fol­lowed by the URL in paren­the­ses.

  [text](url)  

Fi­nally the ti­tle can be spec­i­fied by ap­pend­ing it to the URL in the paren­the­ses en­closed in sin­gle quotes or dou­ble quotes.

  [text](url "title")
  [text](url 'title')  

Ref­er­ences

You can de­fine short­cuts for URLs to be used some­where else. To use the ref­er­ence ap­pend it to the text of the link both in square brack­ets.

  [text][ref]

The def­i­ni­tion of a ref­er­ence is given by fol­low­ing the ref name in square brack­ets by a colon and the URL. Op­tion­ally the ti­tle can fol­low if it is en­closed in sin­gle quotes or in dou­ble quotes.

  [ref]: url
  [ref]: url "title"
  [ref]: url 'title'  

Note that ref­er­ence def­i­ni­tions are not ren­dered. They are ex­panded in-line.

Auto-Link­ing

URLs start­ing with http://, https://, ftp://, irc://, or mailto: are au­to­mat­i­cally trans­lated into a link.

  abc http://www.tug.org
  def https://www.ctan.org
  ghi mailto:webmaster@ctan.org jkl 

CTAN Mark­down

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