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< 	if(!wgUserName && (proofreadPageAllowIps!=1)) f.style.cssText = 'display:none';
---
> 	if(!wgUserName) f.style.cssText = 'display:none';
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< 	if((proofreadPageAllowQ4!=1) && ( ! ( ( self.proofreadpage_quality == 4 ) || ( ( self.proofreadpage_quality == 3 ) && ( self.proofreadpage_username != wgUserName ) ) ) ) ) {
---
> 	if( ! ( ( self.proofreadpage_quality == 4 ) || ( ( self.proofreadpage_quality == 3 ) && ( self.proofreadpage_username != wgUserName ) ) ) ) {