Register directives for *name* with *list_cls* and connect them with *app*. 1. Register directive `<name>`: it stores entries in the environ

Return list of nodes seperated by `, ` text nodes.

Return counter for misspelled words form files in *error_dir*.

Write errors found in *error_dir* to *newlist*, sorted by hit count. Or merge *newlist* to *wordlist* instead, if *merge* is set.

Merge *newlist* to *wordlist* and return the results.

Combine words form *files*, return sorted results and write to *out_file* if set.

Write errors found in *error_dir* to *outfile*, sorted by hit count.

Call *argument* with filename and content, return the results.

Check if *argument* regex is found in content.

Check if string is found in content.

Initialize environment.

Build list of authors sorted by contribution count.

Remove possible stale info for updated documents.