Having redundant "+" in URLs is ugly and can hurt cacheability
of queries.  Even with "quoted phrase searches", Xapian seems
unaffected by redundant spaces, so just normalize the ASCII
white spaces to ' ' (%20) when fed via STDIN or saved-search
config file.

Reported-by: Konstantin Ryabitsev <[email protected]>
Link: 
https://public-inbox.org/meta/[email protected]/
---
 lib/PublicInbox/LeiXSearch.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/PublicInbox/LeiXSearch.pm b/lib/PublicInbox/LeiXSearch.pm
index 709a3b3a..9f7f3885 100644
--- a/lib/PublicInbox/LeiXSearch.pm
+++ b/lib/PublicInbox/LeiXSearch.pm
@@ -297,7 +297,9 @@ sub query_remote_mboxrd {
        local $SIG{TERM} = sub { exit(0) }; # for DESTROY (File::Temp, $reap)
        my $lei = $self->{lei};
        my $opt = $lei->{opt};
-       my @qform = (q => $lei->{mset_opt}->{qstr}, x => 'm');
+       my $qstr = $lei->{mset_opt}->{qstr};
+       $qstr =~ s/[ \n\t]+/ /sg; # make URLs less ugly
+       my @qform = (q => $qstr, x => 'm');
        push(@qform, t => 1) if $opt->{threads};
        my $verbose = $opt->{verbose};
        my ($reap_tail, $reap_curl);
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