"$1"
from within function "$2".
MySQL returned error "$3: $4"',
-'cachederror' => 'The following is a cached copy of the requested page, and may not be up to date.',
'laggedslavemode' => 'Warning: Page may not contain recent updates.',
'readonly' => 'Database locked',
'enterlockreason' => 'Enter a reason for the lock, including an estimate of when the lock will be released',
'welcomecreation' => '== Welcome, $1! ==
Your account has been created.
Do not forget to change your [[Special:Preferences|{{SITENAME}} preferences]].',
-'loginpagetitle' => 'User login',
'yourname' => 'Username:',
'yourpassword' => 'Password:',
'yourpasswordagain' => 'Retype password:',