Commit c6a2e0d7 authored by Klaus Aehlig's avatar Klaus Aehlig

Update tag limitations

We always supported underscores in tags since \w in pythons
interpretation of regular expressions does include the underscore.
While this might have happened by accident, there is no reason to
change the implementation. The motivation for the restriction
was to avoid accidents with wrong (manual) shell escaping; the
underscore, however, has no special meaning to the shell. So
just make the documentation say what we implemented.
Signed-off-by: default avatarKlaus Aehlig <aehlig@google.com>
Reviewed-by: default avatarPetr Pudlak <pudlak@google.com>
parent 208fa98b
......@@ -1533,7 +1533,7 @@ Limitations
Note that the set of characters present in a tag and the maximum tag
length are restricted. Currently the maximum length is 128 characters,
there can be at most 4096 tags per object, and the set of characters is
comprised by alphanumeric characters and additionally ``.+*/:@-``.
comprised by alphanumeric characters and additionally ``.+*/:@-_``.
Operations
++++++++++
......
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