DocumentID: ECMA-376/Part2/9.2.3
Title: ECMA-376, Part2: 9.2.3 Mapping Part Names to ZIP Item Names
Extracted-From: ECMA-376 Office Open XML File Formats, 1st Edition / December 2006
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9.2.3 Mapping Part Names to ZIP Item Names

To map part names to ZIP item names the package implementer shall perform, in order, the following steps [M3.4]:

1. Convert the part name to a logical item name or, in the case of interleaved parts, to a complete sequence of logical item names.
2. Remove the leading forward slash (/) from the logical item name or, in the case of interleaved parts, from each of the logical item names within the complete sequence.

The package implementer shall not map a logical item name or complete sequence of logical item names sharing a common prefix to a part name if the logical item prefix has no corresponding content type. [M3.5]