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Re: Uneven spacing in menu comment in HTML output

From: Gavin Smith
Subject: Re: Uneven spacing in menu comment in HTML output
Date: Mon, 4 Jan 2016 21:42:53 +0000

On 4 January 2016 at 20:13, Gavin Smith <address@hidden> wrote:
> , which has three newlines between the opening <pre> tag and the
> closing </pre> tag. I suspect, however, that the first one,
> immediately after <pre>, is being ignored.
> Any clues what the correct way to stop the first newline from being
> ignored is? I've looked for documentation online about the HTML <pre>
> tag, but nothing I've seen so far addresses this point.

According to http://www.w3.org/MarkUp/html3/literal.html

Line breaks within the text are rendered as a move to the beginning of
the next line. The exceptions are line breaks immediately following
the starting PRE tag or immediately preceding the ending PRE tag,
which should be ignored.

I think the following is the right fix:

Index: HTML.pm
--- HTML.pm     (revision 6919)
+++ HTML.pm     (working copy)
@@ -3703,6 +3703,7 @@ sub _convert_preformatted_type($$$$)
   if ($self->in_string()) {
     return $content;
+  $content =~ s/^\n/\n\n/;
   my $result = $self->_attribute_class('pre',

   # this may happen with lines without textual content

I don't think that trailing newlines are a problem: that means that




are equivalent, and there isn't an empty line after the "aaa".

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