Hi Guillermo
The definition 'line break' = 'white space' is known to me. That is the case in the TeX family of markup (LaTeX, Beamer, ...) and also in XML/SGML based markup (HTML(5), XML, AsciiDoc, DocBook, ...). When you think of it, if one decides to go for markup, one has to stop "formatting" with hard line breaks!
The dispute is, all these markup languages have a verbatim environment. I thought <code> is verbatim, obviously a mistake: only <pre> is.
As for "formatting" with and <br /> tags, imagine doing that for program code copied in to HTML!
Also note that we are talking about two kinds of editors in one go: the 'Plain text area' (<textarea>) and WYSIWYG (TinyMCE, Atto).
Text editors
HTML editor breaks my code
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