// Only a leading 0x or 0X will be added for the whole string.
			width += 2
		}
	} else { // The byte slice or string that should be encoded is empty.
		if f.widPresent {
			f.writePadding(f.wid)
		}
		return
	}
	// Handle padding to the left.
	if f.widPresent && f.wid > width && !f.minus {
		f.writePadding(f.wid - width)
	}
	// Write the encoding directly into the output buffer.
	buf := *f.buf
	if f.sharp {

		argNum, i, afterIndex = p.argNumber(argNum, format, i, len(a))

		// Do we have width?
		if i < end && format[i] == '*' {
			i++
			p.fmt.wid, p.fmt.widPresent, argNum = intFromArg(a, argNum)

			if !p.fmt.widPresent {
				p.buf.writeString(badWidthString)
			}

			// We have a negative width, so take its value and ensure
			// that the minus flag is set
			if p.fmt.wid < 0 {

			}
			// Otherwise at EOF; "too many operands" error handled below
			break
		}
		i++ // % is one byte

		// do we have 20 (width)?
		var widPresent bool
		s.maxWid, widPresent, i = parsenum(format, i, end)
		if !widPresent {
			s.maxWid = hugeWid
		}

		c, w := utf8.DecodeRuneInString(format[i:])
		i += w

		if c != 'c' {
			s.SkipSpace()
		}
		if c == '%' {

	// Otherwise, the metadata is corrupted.
	keyID, idPresent := metadata[MetaKeyID]
	b64KMSSealedKey, kmsKeyPresent := metadata[MetaDataEncryptionKey]
	if !idPresent && kmsKeyPresent {
		return keyID, kmsKey, sealedKey, Errorf("The object metadata is missing the internal KMS key-ID for SSE-S3")
	}
	if idPresent && !kmsKeyPresent {

	// Otherwise, the metadata is corrupted.
	keyID, idPresent := metadata[MetaKeyID]
	b64KMSSealedKey, kmsKeyPresent := metadata[MetaDataEncryptionKey]
	if !idPresent && kmsKeyPresent {
		return keyID, kmsKey, sealedKey, ctx, Errorf("The object metadata is missing the internal KMS key-ID for SSE-S3")
	}
	if idPresent && !kmsKeyPresent {