Update reader::inspect_data_section's docstring
@@ -455,6 +455,9 @@ def inspect_data_section(file_obj, line_nos, regexp_subs):
Arguments:
file_obj: file-like object open for reading at the beginning of the section
line_nos (tuple): the first and last line no of the section to read
+ regexp_subs (list): each item should be a tuple of the pattern and
+ substitution string for a call to re.sub() on each line of the
+ data section. See defaults.py READ_SUBS and NULL_SUBS for examples.
Returns: integer number of columns or -1 where they are different.
