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item_updated_time: 1663177629203
title_diff: "[]"
body_diff: "[{\"diffs\":[[0,\"ed by the system\"],[1,\" -> product code extension from 2 to 3 digits\\\n- Technical challenges\\\n    - Problem statement seems simple; will turn out to be more complicated\\\n    - Impact analysis: Not as trivial as it seems; you can update some PRODCODE fields to hold three digits, but the assumption that related fields are all called PRODCODE or alike is naive. Additionally, things other than fields may be relevant; for instance, loop conditions (for(i = 0; i < 100; ++i) never talks about prodcode, but is still relevant). You really want some sort of data flow analysis, but even that is not necessarily enough.\\\n    - Heterogeneous system platforms\\\n        - Real-world systems consist of scripts, glue code, generated files by preprocessors, different languages, dialects, etc etc\\\n        - Impact analysis needs to deal with all of these\\\n        - \\\"very much challenges all attempts to derive simple solutions that are evidently complete and correct\\\"\"]],\"start1\":2526,\"start2\":2526,\"length1\":16,\"length2\":945}]"
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updated_time: 2022-09-14T17:47:55.102Z
created_time: 2022-09-14T17:47:55.102Z
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