Bug 11071

Summary: CSS property visibility: collapse; when applied to table columns does nothing
Product: WebKit Reporter: Robert Burns <robburns1>
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: mrowe, quinntaylor, robburns1
Priority: P2    
Version: 419.x   
Hardware: Mac   
OS: OS X 10.4   
Attachments:
Description Flags
Sample HTML showing "visibility:collapse" flaw for columns. none

Robert Burns
Reported 2006-09-27 15:18:39 PDT
When the visiblity property is set to collapsed for table columns WebKit renders it as if visibility is set to visible. See quirksmode http://www.quirksmode.org/css/columns.html#%23visibility
Attachments
Sample HTML showing "visibility:collapse" flaw for columns. (300 bytes, text/html)
2008-01-22 15:51 PST, Quinn Taylor 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Mark Rowe (bdash)
Comment 1 2006-09-28 03:05:46 PDT
This is likely related to bug 8735, which deals with "visibility: collapse" on table rows being treated the same as "visibility: hidden".
Quinn Taylor
Comment 2 2008-01-22 15:51:33 PST
Created attachment 18607 [details] Sample HTML showing "visibility:collapse" flaw for columns. This document display a "telephone pad" arrangement of numbers. The CSS should cause the middle column to disappear, and does in Firefox, etc.
Quinn Taylor
Comment 3 2008-01-22 15:57:41 PST
A fix to this bug would provide a lot of flexibility to web pages, without specifying a class for each table cell in a column that should be invisible. For example, auto-generated HTML pages with columns containing something like image links (which are useless when printed) could be hidden with CSS for print media. This bug is still present in Safari 3 that ships with Leopard, as well as the latest nightly build (r29711).
mitz
Comment 4 2008-01-22 21:07:26 PST
*** This bug has been marked as a duplicate of 8735 ***
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