Links with an empty string as target opens in different window

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Links which have an empty string as target are opened in a new tab
2.
3.

What is the expected output? What do you see instead?
Link is opened in the same tab.

Please use labels and text to provide additional information.

Client Configuration (automaitcally added by MLB)
OS: WINNT, Firefox 3.0.1, MLB 0.5.1
MLB Configuration:
mouselessbrowsing.toggleExlNumpadWithDoubleStrokeNumKey: true
mouselessbrowsing.keys.scrollUp: 1744
mouselessbrowsing.disableMLB: false
mouselessbrowsing.idChars: 
mouselessbrowsing.debug: true
mouselessbrowsing.keys.toggleAllIds: 1762
mouselessbrowsing.modifierForOpenInCoolirisPreviews: -1
mouselessbrowsing.keys.openInCoolirisPreviewsPostfixKey: 1696
mouselessbrowsing.idType: NUMERIC
mouselessbrowsing.keys.openInNewWindowPostfixKey: 1776
mouselessbrowsing.keys.toggleExlusiveUseOfNumpad: 304
mouselessbrowsing.keys.selectLink: 260
mouselessbrowsing.showIdsOnDemand: false
mouselessbrowsing.version: 0.5.1
mouselessbrowsing.executeAutomatic: true
mouselessbrowsing.exclusiveNumpad: true
mouselessbrowsing.keys.toggleMLB: 1760
mouselessbrowsing.autoExecuteDelay: 500
mouselessbrowsing.pixelsToScroll: 150
mouselessbrowsing.showMlbIconInStatusbar: true
mouselessbrowsing.maxIdNumber: 1000
mouselessbrowsing.keys.blockKeyboardInputForMlb: 0
mouselessbrowsing.siteRules: <listbox
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
id="siteRulesLB" prefid="mouselessbrowsing.siteRules" flex="1"
disabled="false"><listhead><listheader label="URL Pattern"/><listheader
align="center" style="display: none;"/><listheader style="display:
none;"/><listheader style="display: none;"/></listhead><listcols><listcol
flex="1"/><listcol style="display: none;"/><listcol style="display:
none;"/><listcol style="display: none;"/></listcols><listitem label=""
value=""><listcell label="https://banking.ing-diba.de/OnlineBanking/*"
value="https://banking.ing-diba.de/OnlineBanking/*"/><listcell label="Show
Ids as configured" value="CONFIG" style="display: none;"/><listcell
label="false" value="false" style="display: none;"/><listcell label="false"
value="false" style="display: none;"/></listitem><listitem label=""
value=""><listcell label="http://www.google.de/search*"
value="http://www.google.de/search*"/><listcell label="Hide Ids"
value="NONE" style="display: none;"/><listcell label="false" value="false"
style="display: none;"/><listcell label="true" value="true" style="display:
none;"/></listitem></listbox>
mouselessbrowsing.keys.clearKeybuffer: 432
mouselessbrowsing.styleForIdSpan: font-family:arial, sans-serif;
font-size:xx-small; line-height:130%;
border-width:1px; border-style:solid;-moz-border-radius:2px;
padding:0px 2px 0px 2px;
vertical-align:center;
margin-left:2px; margin-right:1px;
max-width:20px; max-height:10px;
overflow:visible;float:none;
mouselessbrowsing.showKeybufferInStatusbar: true
mouselessbrowsing.keys.addSiteRule: 1319
mouselessbrowsing.keys.scrollDown: 1712
mouselessbrowsing.keys.openConfig: 1239
mouselessbrowsing.keys.historyBack: 1776
mouselessbrowsing.smartPositioning: true
mouselessbrowsing.keys.blurActiveElement: 432
mouselessbrowsing.keys.toggleEnableDisableMLB: 1872
mouselessbrowsing.modifierForOpenInNewTab: -1
mouselessbrowsing.modifierForOpenInNewWindow: -1
mouselessbrowsing.initOnDomContentLoaded: true
mouselessbrowsing.keys.historyForward: 1696
mouselessbrowsing.styleForFrameIdSpan: position:absolute; top:0; left:0;
font-size:xx-small;line-height:130%;;
border-color:black; border-width:1px; border-style:solid;
-moz-border-radius:2px;
padding:0px 2px 0px 2px;
z-index:500;
background-color:#D6E3FE;
mouselessbrowsing.modifierForWritableElement: 2
mouselessbrowsing.showMlbMenu: true
mouselessbrowsing.debug.perf: true
mouselessbrowsing.enableLinkIds: true
mouselessbrowsing.enableFormElementIds: true
mouselessbrowsing.enableFrameIds: true
mouselessbrowsing.keys.openInNewTabPostfixKey: 1712
mouselessbrowsing.disableAllIds: false
mouselessbrowsing.enableImgLinkIds: true

Original issue reported on code.google.com by Rudolf....@gmail.com on 21 Sep 2008 at 4:02