2.1.102 Part 1 Section 184.108.40.206, control (Embedded Control)
For additional notes that apply to this portion of the standard, please see the notes for control, §220.127.116.11(a).
a. The standard specifies that the shapeid reference is resolved by looking for a DrawingML object whose id attribute matches the value specified by the shapeid attribute.
Word looks for a DrawingML object or a VML shape element ("[ISO/IEC-29500-4] §18.104.22.168; shape (Shape Definition)"), whose id attribute matches the value specified by the shapeid attribute.