Your message dated Wed, 3 Jan 2024 08:44:49 +1100
with message-id <[email protected]>
and subject line 
has caused the Debian Bug report #325088,
regarding netpbm: pnmtopng -alpha <alphafile> <file> produces incorrect output
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
325088: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=325088
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: netpbm
Version: 2:10.0-8
Severity: normal

The following sequence of commands should result in an identical bitmap,
but does not. It has a small vertical black bar in it.

---
pngtopnm yellow_red_gradient.png > x.pnm
pngtopnm -alpha yellow_red_gradient.png > y.pnm
pnmtopng -alpha y.pnm x.pnm > z.png
---

Interestingly, this problem did not occur when I had prelinked my
libraries (debian package "prelink"), but does on both a clean
(never prelinked) and un-prelinked machine.

source image is here, uuencoded:

begin 644 yellow_red_gradient.png
MB5!.1PT*&@H````-24A$4@```G$````!"`(````^4F^'`````W-"250("`C;
MX4_@````"7!(67,```L2```+$@'2W7[\````)71%6'13;V9T=V%R90!-86-R
M;VUE9&EA($9I<F5W;W)K<R!-6"`R,#`TAW:LSP```!5T15AT0W)E871I;VX@
M5&EM90`Q.2\X+S`U/?D42P```-I)1$%4>)SME,$.A"`,1#LF'OS_C]L/V8,'
MI-T#@H4.QNS9AAA]F79H(4(_F[SQ/*P\[7RSAH)FX":B*>(KL'*[F9Z6HF):
MY#]ROR5[\#G31.[UU%$?;.^H,U]6+O!PX#JQUEO82OGMH6JT<CAK#;UH[^(_
MX5R.WJ((LDBN!--J\"U8OSS/[&C4936+7&'3Q&IQ,A*4WT0ZS2+;RCF%0]A\
MGC))A#N:LN&EKS9T86'%>T+;IU#Z=*K9TR@KT6:RU3L/D',\R\+=6PAPI=C-
AK^>-&F5BJI*2J(K9#]Y"L0$;"W&8`````$E%3D2N0F""
`
end


-- System Information:
Debian Release: 3.1
Architecture: i386 (i686)
Kernel: Linux 2.6.11.6-skas3-v8-rc5-broadsword
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages netpbm depends on:
ii  bc                     1.06-17           The GNU bc arbitrary precision cal
ii  libc6                  2.3.2.ds1-22      GNU C Library: Shared libraries an
ii  libjpeg62              6b-10             The Independent JPEG Group's JPEG 
ii  libnetpbm10            2:10.0-8          Shared libraries for netpbm
ii  libpng12-0             1.2.8rel-1        PNG library - runtime
ii  libtiff4               3.7.2-3           Tag Image File Format (TIFF) libra
ii  zlib1g                 1:1.2.2-4.sarge.2 compression library - runtime

-- no debconf information


--- End Message ---
--- Begin Message ---
Version: 2:10.0-15.4

Fixed upstream

--- End Message ---

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