2.1.1141 Part 1 Section 19.5.16, bldP (Build Paragraph)
a. The standard places no restrictions on what the spid attribute refers to.
PowerPoint requires that the spid attribute reference a shape that is present on the slide.
b. The standard places no restrictions on the relationship between the spid attribute, the grpId attribute, and the parent bldLst element.
PowerPoint requires that the combination of the spid attribute and the grpId attribute on a given bldP element form a unique pair within the parent bldLst element.
c. The standard places no restrictions on the shape to which the spid attribute refers.
PowerPoint requires that the spid attribute refer to an sp element that contains a t element with valid textual data.
d. The standard does not specify how to interpret an advAuto attribute value of indefinite.
PowerPoint interprets a value of indefinite on the advAuto attribute as being equal to 0.
e. The standard states that the autoUpdateAnimBg attribute indicates whether to automatically update the animateBg setting to true when the shape associated with the text has a fill or line.
PowerPoint does not support the autoUpdateAnimBg attribute.
f. The standard places no restrictions on the tgtEl target element when the value of the animBg attribute is false.
PowerPoint requires that the charRg child element inside the tgtEl target element be zero-length if the animBg attribute is set to false.
g. The standard states that the bldLvl attribute is only supported when the build attribute is set to byParagraph.
PowerPoint only supports the bldLvl attribute when the build attribute is set to p.