Am 10.08.2012 22:41, Séamas Ó Brógáin wrote:
Andrew wrote:
A blank line does not have to be an empty line. (^$)
She didn’t say “blank line”: she said “white line.” A white line is a
line space between paragraphs that contains no text. (In a
word-processor file I take this to be a line created by pressing the
“return” key a second time.) The concept and the term are some centuries
older than word-processor contrivances whereby extra space is added as
part of a paragraph style.
But she mentions that she replaces ^p in WinWord which matches a
paragraph mark.
Regular expression ^[:space:]*$ matches optional white space between the
start position and the end position of a line.
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