change search request query to include escape character if theres illegal characters

[JaydenTeoh]

Closes #7618

Upon clicking submit, change request query and input text field to include escape characters in front of the illegal characters

Previous:
https://openlibrary.org/search?q=Cornell+%2777%3A+The+Music%2C+the+Myth+and+the+Magnificence+of+the+Grateful+Dead+Show+at+Barton+Hall&mode=everything

Now:
https://openlibrary.org/search?q=Cornell+%5C%2777%5C%3A+The+Music%2C+the+Myth+and+the+Magnificence+of+the+Grateful+Dead+Show+at+Barton+Hall&mode=everything

Screenshot

Before search submit:

After search submit:

Stakeholders

@tfmorris created issue
@cdrini lead

[tfmorris]

If you quote the whole search phrase, I suspect it's going to change the semantics of the search. A better approach, I believe, would be to escape the problematic characters.

[JaydenTeoh]

If you quote the whole search phrase, I suspect it's going to change the semantics of the search. A better approach, I believe, would be to escape the problematic characters.

I see, that makes sense, I'll try out using the escape character and push the changes!

[cdrini]

This should be done on the backend, not the JS; that way it will also fix the /search.json endpoint.

I left a comment on the issue with more details: #7618 (comment)