This changes it so that top-level environment variable config keys like `MDBOOK_FOO` are ignored instead of generating an error. It's just too inconvenient since it is common for users to set environment variables like `MDBOOK_VERSION` or whatever for their own scripts. |
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|---|---|---|
| .. | ||
| book | ||
| utils | ||
| book.rs | ||
| config.rs | ||
| lib.rs | ||