std-tab-out-handler

Arguments: stream character

Returns nil (indicating that further character processing should be done) after side-effecting the stream specified by stream by setting the charpos (stream-line-column) slot to one less than the next modulo 8 column, (to anticipate the charpos increment that is performed by the character reading strategy).

This function is an element of certain control tables for stream input/output. Programs do not typically call it directly.

See Control-character Processing in streams.htm.

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Created 2019.8.20.