This function extracts lines from a text based on specified start and end markers.
narrow_text(
start_text,
start_text2 = " Variaciones del número de copias",
lines_total,
text_limit,
text_limit2 = "Comentarios adicionales sobre las variantes"
)A character vector containing the extracted lines.
Character. The text marker indicating the beginning of the subset.
Character. An optional secondary start marker.
Character vector. The full set of text lines.
Character vector. The text marker indicating the end of the subset.
Character vector. An optional secondary end marker.