cnlp_combine_documents: Combine a set of annotations
Description
Takes an arbitrary set of annotations and efficiently combines them into
a single object. All document ids are reset so that they are contiguous
integers starting at zero.
Usage
cnlp_combine_documents(...)
Arguments
...
annotation objects to combine; either a single list item
or all of the objects as individual inputs
Value
a single annotation object containing all of the input documents