18. A system according to claim 12, further comprising: means for deleting the second dictionary when the subsequent hierarchical level is finished being processed.
12. A system for processing a hierarchically structured document, comprising: means for creating a first dictionary having a first set of information including key-value pairs; means for creating a first reference to the first dictionary, said first reference to the first dictionary being associated with a structure portion of a predetermined hierarchical level of the document; means for creating, for said predetermined hierarchical level of the document when a content portion of said predetermined hierarchical level is processed, a second reference to the first dictionary; means for processing a structure portion of a subsequent hierarchical level, wherein said subsequent hierarchical level is lower in the hierarchical structure of the document than the predetermined hierarchical level; means for determining if processing of content for said predetermined hierarchical level is in process; means for copying the second reference to a third reference associated with structure of the subsequent hierarchical level, when said processing of content for said predetermined hierarchical level is determined to be in process; means for copying the first reference to the third reference associated with the structure of the subsequent hierarchical level, when said processing of content for said predetermined hierarchical level is determined not to be in process; means for creating, for said subsequent hierarchical level of the document when a content portion of said subsequent hierarchical level is processed, a second dictionary referenced by a fourth reference; means for processing said content portion of said subsequent hierarchical level using said second dictionary; and means for continuing processing of said content portion of said predetermined hierarchical level after processing of said content portion of said subsequent hierarchical level is complete, using said second reference to said first dictionary, when said processing of content for said predetermined hierarchical level is determined to be in process.