And I found the bug: 
    elsif ( $path =~ s/^\/(child\:\:|)(\*|[\w\.\:\-]+)\[(\S+?)\]// )
                                                         ^^^^

[download]
Switching that line to following should do the trick: 
    elsif ( $path =~ s/^\/(child\:\:|)(\*|[\w\.\:\-]+)\[(.+?)\]//s )

[download]

Reported.

In reply to Re^5: xml::xslt xpath question (solution) by ikegami
in thread xml::xslt xpath question by Anonymous Monk

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