Unrecognized Control Line#

Any control line that is not recognized by a plugin (see Control lines (keys) defined by SPEC) will be written to a NXnote [1] group named unrecognized_{N} (where {N}) is a numbered index starting at 1. (The algorithm looks for the first available name not already used.) Each unrecognized control line will be added to this group in a separate field. Here is an example from a SPEC data file with two such lines:

1# this line will not be recognized
2
3# another one

and how that content is represented in the NeXus HDF5 file:

1unrecognized_1:NXnote
2   @NX_class = "NXnote"
3   @description = "SPEC data file control lines not otherwise recognized"
4   u0:NX_CHAR = [b'# this line will not be recognized']
5     @spec_name = "u0"
6   u1:NX_CHAR = [b'# another one']
7     @spec_name = "u1"

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