|  | @@ -466,13 +466,13 @@ exclude them. <span class="minilink minilink-addedin">Prior to version
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				|  |  |  1.7.3</span>Special files were not auto-excluded, and you were responsible for
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				|  |  |  excluding them yourself. Common directories to exclude are `/dev` and `/run`,
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				|  |  |  but that may not be exhaustive.
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				|  |  | -5. <span class="minilink minilink-addedin">Prior to version 1.8.15</span>
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				|  |  | +5. <span class="minilink minilink-addedin">Prior to version 1.9.0</span>
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				|  |  |  Database hooks also implicitly enabled the `one_file_system` option, which
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				|  |  |  meant Borg wouldn't cross filesystem boundaries when looking for files to
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				|  |  |  backup. When borgmatic was running in a container, this often required a
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				|  |  |  work-around to explicitly add each mounted backup volume to
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				|  |  |  `source_directories` instead of relying on Borg to include them implicitly via
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				|  |  | -a parent directory. But as of borgmatic 1.8.15, `one_file_system` is no longer
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				|  |  | +a parent directory. But as of borgmatic 1.9.0, `one_file_system` is no longer
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				|  |  |  auto-enabled and such work-arounds aren't necessary.
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