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add doc to postproc
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@ -71,6 +71,10 @@ impl Read for ReadErr {
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}
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}*/
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/**
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* Detects and converts encodings other than utf-8 to utf-8.
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* If the input stream does not contain valid text, returns the string `[rga: binary data]` instead
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*/
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pub fn postproc_encoding(
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line_prefix: &str,
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inp: impl AsyncRead + Send + 'static,
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@ -117,6 +121,9 @@ pub fn postproc_encoding(
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))*/
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}
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/**
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* adds the given prefix to each line in a AsyncRead
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*/
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pub fn postproc_prefix(line_prefix: &str, inp: impl AsyncRead + Send) -> impl AsyncRead + Send {
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let line_prefix_n = format!("\n{}", line_prefix); // clone since we need it later
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let line_prefix_o = Bytes::copy_from_slice(line_prefix.as_bytes());
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@ -140,6 +147,11 @@ pub fn postproc_prefix(line_prefix: &str, inp: impl AsyncRead + Send) -> impl As
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StreamReader::new(oup_stream)
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}
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/**
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* adds the prefix `Page N:` to each line,
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* where N starts at one and is incremented for each ASCII Form Feed character in the input stream.
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* (That's the format output by pdftotext)
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*/
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pub fn postproc_pagebreaks(line_prefix: &str, inp: impl AsyncRead) -> impl AsyncRead {
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let line_prefix = line_prefix.to_string(); // clone since
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let mut page_count = 1;
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