Symptoms
Attachment not showing validation error indicator
Diagnoses
Attachment control not showing validation error
Resolution
Our labs has provided a coldfix for this issue on SF 1.0.7.
For this to work on your custom themes, kindly ensure that this CSS block is present:
.theme-entry span.textbox-style-wrapper.invalid,
.theme-entry .SFC.SourceCode-Forms-Controls-Web-TextBox.invalid,
.theme-entry .input-control.invalid .input-control-m-c,
.theme-entry .SourceCode-Forms-Controls-Web-Label.invalid,
.theme-entry .SourceCode-Forms-Controls-Web-DataLabel.invalid,
.theme-entry .file-wrapper.invalid,
.theme-entry div.hyperlinkTopLeftPanel.invalid