All colums in Page Info Media tab can be hidden. One column at least should not be hidden. Steps to repluduces: 1. Open Page info window. 2. Click right column of the column header and uncheck all items. 20020091521-trunk/Linux build.
Confirming this bug - trunk build 2002091504 - WinXP. Moving OS -> All.
Severity -> Trivial
still happens in 1.2.1/win2k. confirming.
Firefox/Trunk/Linux has this problem too. Is this Core bug? If so, please move this to right product/component.
Created attachment 594207 [details] [diff] [review] Patch v1.0 Make the first treecolumn in each tree primary. See Firefox Bug 560143 (Prevent the "Address" column in Page Info's Media pane from being hidden).
Pushed to comm-central: http://hg.mozilla.org/comm-central/rev/6ece7d29186b