Google Docs 如何存储文档（在后端）？
我一半想象天空中存在这些伟大的.docs...但我的另一部分怀疑我的文档甚至存储在我们传统上称为“文件”的任何东西中。 Google 有自己的文档格式吗？我感觉应该是这样的也许是某些现有格式（例如 ODF）的某些分支？知道它是什么样的，它有什么特别之处（如果有的话），和/或为什么它是这样的？
I half imagine there being these great .docs in the sky... but another part of me doubts that my documents are even being stored in anything we'd traditionally call a "file." Does Google have its own document format? I feel like it must. Some branch of some existing format like ODF, maybe? Any idea what it's like, what's special about it (if anything), and/or why it is the way it is?
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据我所知，Google 文档最初生成 RTF 文件。然而现在，随着最近 HTML5 的推动和 ContentEditable 模块的集成，它们很可能只存储文档作为数据库中的纯 HTML。
As far as I'm aware, Google Docs originally generated RTF files. Now, however, with the recent push of HTML5 and integration of the ContentEditable module, they may very well just store documents as plain HTML within their database.
我猜想谷歌肯定会从文件中提取一些用于索引的信息。然而，出于编辑目的，我认为内部格式与 ODF/MS-Office 或其他文件格式不会有太大不同。但这些只是猜测，也许其他人知道更多。
I would guess that google definitly extracts some information for indexing from the file. For editing purposes however, I do not think the internal format will be so much different from ODF/MS-Office or other file formats. But those are only guesses, maybe someone else knows more.