Bug 73027 [Dialogs] Buttons are too high
I20040831 Buttons are no longer oval but have a rounded rectangle shape (see first screenshot). The second screenshot shows how buttons using the small system font should look like.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/PathVariableDialog.java
if (allowFinish == false)
            setMessage(validationMessage, validationStatus);
        return allowFinish;
    }
    /**
     * Validates the current variable value, and updates this dialog's message.
     * 
     * @return true if the value is valid, false otherwise
     */
    private boolean validateVariableValue() {
        boolean allowFinish = false;
        
        if (validationStatus == IMessageProvider.ERROR)
            return false;
        
        String message = standardMessage;
        int newValidationStatus = IMessageProvider.NONE;
        if (variableValue.length() == 0) {
            
            if (locationEntered) {
                
                newValidationStatus = IMessageProvider.ERROR;
                message = IDEWorkbenchMessages
                        .getString("PathVariableDialog.variableValueEmptyMessage"); 
            }
        } else if (!Path.EMPTY.isValidPath(variableValue)) {
            
            message = IDEWorkbenchMessages