Tag:footway=both

The tag footway=both is used a fair number of times, but most uses appear to be tagged with this tag-value combination accidentally instead of the intended sidewalk=both.

footway=both

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More details at taginfo

• footway=both ‒ Replace with sidewalk=both

If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!