[Koha-bugs] [Bug 23378] New: Invalid OPAC search RSS: unescaped characters

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=23378

            Bug ID: 23378
           Summary: Invalid OPAC search RSS: unescaped characters
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: OPAC
          Assignee: oleonard at myacpl.org
          Reporter: victor.grousset at biblibre.com
        QA Contact: testopia at bugs.koha-community.org

== Test plan ==
1. search something in the OPAC
2. open the RSS feed/copy the URL
3. validate it: https://validator.w3.org/feed/
4. you will get something like:
XML parsing error: <unknown>:16:48: not well-formed (invalid token) 
<link>/cgi-bin/koha/opac-search.pl?idx=kw&q=MY_SEARCH_QUERY_HERE&format=rss2</link>

It seems that the equal sign needs some escaping.

I heard there were escape changes in the last few versions. Is that related?

The version 16.11 is said to not have this issue (although testing on a 16.11
demo gives the same result)
As someone who was consuming the RSS feed couldn't anymore when switching from
16.11 to 18.11

There are still escape differences between these versions even if the first
error is still here. Here are the differences if that helps.

18.05
     <link>/cgi-bin/koha/opac-search.pl?idx=kw&q=lea&format=rss2</link>
     <atom:link rel="self" type="application/rss+xml"
href="/cgi-bin/koha/opac-search.pl?idx%3Dkw%26q%3Dlea&sort_by=acqdate_dsc&format=rss2"/>


18.11
     <link>/cgi-bin/koha/opac-search.pl?idx=kw&q=lea&format=rss2</link>
     <atom:link rel="self" type="application/rss+xml"
href="/cgi-bin/koha/opac-search.pl?idx=kw&q=lea&sort_by=acqdate_dsc&format=rss2"/>

«idx=kw&» vs «idx=kw&»
«idx%3Dkw%26q%3D» vs «idx=kw»

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