Found the following hamletworks.org entries referring to line 258
View Commentary Note for 248
248
Queene. Good Hamlet cast thy
{nighted}
<nightly>
colour off
1.2.68
View Commentary Note for 258
258
Tis not alone my incky cloake
{coold}
<good>
mother
1.2.77
View Immaterial Textual Note for 258
258
Tis not alone my incky cloake
{coold}
<good>
mother
1.2.77
View Material Textual Note for 258
258
Tis not alone my incky cloake
{coold}
<good>
mother
1.2.77