Opened 22 months ago

Last modified 22 months ago

#19616 new enhancement

Better handling of zero-width space (\u200b) in URL

Reported by: andrewpmk@… Owned by: team
Priority: normal Milestone:
Component: Core validator Version: tested
Keywords: validator, url Cc:


The URL validator generates a warning for valid URLs e.g.​fitness/​Vaughan-ON-x0298 It generates the warning "URL validator - 'website': URL contains an invalid path: /fitness/Vaughan-ON-x0298". I am using JOSM 16812 on Windows 10.

There appears to be a bug in isValidPath in src/org/openstreetmap/josm/data/validation/routines/

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Change History (4)

comment:1 Changed 22 months ago by andrewpmk@…

It turns out that the URL contains a zero-width space \u200b:\u200b/​fitness/\u200b​Vaughan-ON-x0298

So it looks like the validator is working correctly. The error message is not at all obvious though, since the zero-width space is not visible.

comment:2 Changed 22 months ago by skyper

We could check for white spaces in values for some keys like [*:]website and [*:]url.
Not sure if a autofix is useful as it is not clear if it needs to be removed or changed to e.g. underscore.

Watch out for white spaces after semi-colon in cases of multiple values.

comment:3 Changed 22 months ago by skyper

Priority: minornormal
Summary: URL validator flags valid URLs as invalidBetter handling of zero-width space (\u200b) in URL
Type: defectenhancement

comment:4 Changed 22 months ago by skyper

Or simply remove zero-width-spaces in general, automatically?

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