`pkg install` warns unusable help text found in file 'ODEformats'

[cbm755]

warning: doc_cache_create: unusable help text found in file 'ODEformats'
warning: called from
    doc_cache_create>handle_function at line 98 column 5
    doc_cache_create>create_cache at line 118 column 6
    gen_doc_cache_in_dir>@<anonymous> at line 150 column 20
    doc_cache_create>gen_doc_cache_in_dir at line 151 column 3
    doc_cache_create at line 62 column 6
    install>generate_lookfor_cache at line 846 column 5
    install at line 241 column 7
    pkg at line 599 column 9