This function is deprecated in favor of the
checks for CSI SGR and OSC hyperlink sequences.
has_sgr(x, warn = getOption("fansi.warn", TRUE))
a character vector or object that can be coerced to such.
TRUE (default) or FALSE, whether to warn when potentially
problematic Control Sequences are encountered. These could cause the
logical of same length as
x; NA values in
x result in NA values
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