Add alternate query for survey tool

Description

For use by other tools, it would be useful if the Survey tool handled not only
links like:

http://unicode.org/cldr/apps/survey?_=nl&forum=nl&xpath=87119

but also those using the xpath

http://unicode.org/cldr/apps/survey?_=nl&forum=nl&xpath=//ldml/currencies/currency[@type="ROL"]/displayName

That way other items could link to it without knowing the internal path number.
(This should accept non-distinguished paths as the same as the distinguished
path).

xpath

None

locale

None

Status

Priority

assess

Assignee

Steven R. Loomis

Reporter

TracBot

tracReporter

Reviewer

John Emmons

Labels

Components

Fix versions

phase

None
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