Line 183 of '/home/andy/git/other/gherkin/gherkin'
    while [[ -n "${marks[${tag_marker}002${cons_ptr}]}" ]]; do
                                      ^~~
---
Line 183 of '/home/andy/git/other/gherkin/gherkin'
    while [[ -n "${marks[${tag_marker}002${cons_ptr}]}" ]]; do
                                         ^~
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