HL7 2.5 的完整 BNF 语法
我想知道是否有人有 HL7 2.5 的完整 BNF？我希望使用 gold 解析器引擎来编译它，但很乐意从 EBNF 或供应商特定的 BNF 进行转换。
all I was wondering if anyone had a full BNF for HL7 2.5? I am looking to compile this using the gold parser engine but would be happy to convert from EBNF or vendor specific BNF.
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HL7消息的BNF描述可以下载 此处。
The BNF description of HL7 message can be downloaded here.
经过几天的研究（我相信您已经尝试过），我找不到 HL7 v2.5 的 BNF。我建议您尝试加入 www.hl7.org 上的 HL7 社区，看看是否可以按一些按钮来设计更具描述性的 BNF。祝你好运。
After a few days of researching (which I am sure you have tried) I cannot find a BNF for HL7 v2.5. I would recommend that you try to joing the HL7 community at www.hl7.org and see if you can push some buttons to get a more descriptive BNF designed. Good luck.
如果您不是 HL7 的成员，该文档非常稀疏并且很难获得。注册（并付款）后获得的文档是pdf，并且语法不容易理解。
您与不同组织的隶属关系可以享受折扣。例如，如果您声称自己是提供商，他们将致电 AMA 来检查您的凭据。。
我们不得不放慢 HL7 的推出速度，只实现我们需要的消息，而不是简单地让解析器解析模式。显然，HL7 是在互联网更加“黄金”的时代制作的。
The documentation is pretty sparse and hard to get if you are not a member of HL7. The documents that you get once you sign up (and pay) are pdfs and the grammar is not easily ingested.
There are discounts for your affiliation with differing organizations. For instance, they will call the AMA to check your credentials if you claim to be a provider.
We have had to slow our HL7 rollout and implement only the messages as we need them, as opposed to simply having a parser chew out the schema. It is clear that HL7 was made in a more 'golden' age of the Internet.