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Wez Furlong
67bf14ca20
Augment the docs to clarify that msg:append_header and msg:prepend_header do no modification of the value by default. Adjust the wrapping used by Header:new_unstructured so that it hard wraps before the SMTP line length limit. Add optional encode parameter to msg:append_header and msg:prepend_header so that those methods can opt-in to the Header:new_unstructured formatting. Add HeaderMap:append method to mirror the existing HeaderMap:prepend method. Add unit tests that demonstrate the effect of wrapping/encoding for both the "dumb" msg:append_header and msg:prepend_header functions, and the "smarter" HeaderMap:prepend and HeaderMap:append methods that always encode their parameters. Update the docs for the headermap flavor of these methods to indicate that they will always encode the value.
485 B
485 B
prepend
headers:prepend(NAME, VALUE)
{{since('2025.10.06-5ec871ab')}}
Constructs a new header with NAME and VALUE and prepends it to the header map.
If the header value is ascii then it will be soft wrapped at whitespace around 75 columns, and hard-wrapped regardless of whitespace at 900 columns.
If the header value is non-ascii then it will be quoted printable encoded using RFC 2047 header encoding.
headers:prepend('X-Something', 'Some value')