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3be65e6ee2
Previously the iterator did not iterate over non-trailer lines. This was somewhat unfortunate, because trailer blocks could have non-trailer lines in them since 146245063e (trailer: allow non-trailers in trailer block, 2016-10-21), which was before the iterator was created in f0939a0eb1 (trailer: add interface for iterating over commit trailers, 2020-09-27). So if trailer API users wanted to iterate over all lines in a trailer block (including non-trailer lines), they could not use the iterator and were forced to use the lower-level trailer_info struct directly (which provides a raw string array that includes all lines in the trailer block). Change the iterator's behavior so that we also iterate over non-trailer lines, instead of skipping over them. The new "raw" member of the iterator allows API users to access previously inaccessible non-trailer lines. Reword the variable "trailer" to just "line" because this variable can now hold both trailer lines _and_ non-trailer lines. The new "raw" member is important because anyone currently not using the iterator is using trailer_info's raw string array directly to access lines to check what the combined key + value looks like. If we didn't provide a "raw" member here, iterator users would have to re-construct the unparsed line by concatenating the key and value back together again Signed-off-by: Junio C Hamano <gitster@pobox.com>