All reports of vcs-field-has-unexpected-spaces for the archive. The extended description of this tag is:

The VCS-* field contains more spaces than expected or spaces at places where they were not expected. Where possible escape valid spaces in URIs to avoid any ambiguity with respect to possible future additional optional fields.

Severity: normal, Certainty: possible

Check: fields, Type: binary, udeb, source

This tag has not been emitted in any package tested by Lintian.