User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Leading and trailing whitespace in inline elements is incorrect in some instances and counterintuitive in some others. Section B.3.1 in the HTML 4.01 spec says that line breaks immediately following start tags and immediate preceding end tags must be ignored. However, they are not correctly ignored. (See example 1 -- a should be identical to b.) Whitespace should tend to coalesce to the outside, not to the left. That is, when coalescing trailing whitespace in a link and whitespace after the link's closing tag, the whitespace after the closing tag should always be kept. Otherwise, two discrete links could *unintentionally* share a single underline (see example 2). example 3 is somewhat a matter of personal opinion, but I'd say that markup tags should count as word separators -- especially things like images. And separate words should be rendered with a space between. Example 4 shows the nasty, evil things that can happen when coalescing of whitespace goes bad. 4a shows the mysterious disappearance of trailing whitespace. 4b shows left-coalescing at its worst. 4c shows more or less correct behaviour that is completely inconsistent with 4b. Example 5 shows the effects of poor treatment of empty elements combined with the effects of whitespace-coalescing. Notice that eliminating the border in 5c also, for reasons unknown, eliminates the whitespace. Reproducible: Always Steps to Reproduce: View forthcoming attachment.
#1 is probably a duplicate #2 is invalid, per CSS 2.1 #3 is also invalid #4 and #5 may be invalid, depending on the definition of "at the beginning of a line" See http://www.w3.org/TR/2004/CR-CSS21-20040225/text.html#q8
And in the future, please limit yourself to one issue per bug.
In lieu of that CSS spec, #2 and #3 are in fact invalid (although I would argue that that's a glaring problem in the CSS spec as it relates to stylistically readable HTML code -- the placement of tags vs. whitespace in code should never change the meaning of the code!). I think that's actually an inconsistency between the HTML spec and the CSS spec, but since the CSS is more explicit I'll go along with it. However, #1, #4, and #5 are definitely bugs because they are inconsistent -- especially the starting span tags that contain a single space but are rendered with no space. They are probably all symptoms of the same bug, which is why I filed them all in the same bug report.
#1 is *very* different from #4 and #5. In fact, it's very different from all the other examples, and relates to an obscure SGML rule that nobody follows.
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Status: UNCONFIRMED → RESOLVED
Last Resolved: 4 years ago
Resolution: --- → WORKSFORME
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