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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-11-26 19:57:02 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-11-26 19:57:02 +0000 |
commit | ecf0ef4f0a678ec5b0c58d086417aaeb0f971148 (patch) | |
tree | 4de953a3f4c21561512b1cc75aee282a8f064236 /pnmpad.html | |
parent | 0d897de7695b764b2dabd18aab09776b42ee3ec3 (diff) | |
download | netpbm-mirror-ecf0ef4f0a678ec5b0c58d086417aaeb0f971148.tar.gz netpbm-mirror-ecf0ef4f0a678ec5b0c58d086417aaeb0f971148.tar.xz netpbm-mirror-ecf0ef4f0a678ec5b0c58d086417aaeb0f971148.zip |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@4787 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pnmpad.html')
-rw-r--r-- | pnmpad.html | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/pnmpad.html b/pnmpad.html index c48b55f5..f20f7fea 100644 --- a/pnmpad.html +++ b/pnmpad.html @@ -2,7 +2,7 @@ <html><head><title>Pnmpad User Manual</title></head> <body> <h1>pnmpad</h1> -Updated: 25 December 2021 +Updated: 14 November 2023 <br> <a href="#index">Table Of Contents</a> @@ -208,11 +208,21 @@ This causes verbose messages. <h2 id="history">HISTORY</h2> -<p>Before February 2002, <b>pnmpad</b> had a different option syntax -which was less expressive and not like conventional Netpbm programs. -That syntax is still understood by <b>pnmpad</b> for backward -compatibility, but not documented or supported for future use. - +<p>The command line syntax was originally more of a traditional Unix syntax, + with single-character margin size options <b>-l</b>, <b>-r</b>, <b>-t</b>, + and <b>-b</b> that took arguments concatenated to the option name, such + as <b>-l50</b>. This is in contrast to the more modern syntax used by + essentially all Netpbm programs, in which an option such as <b>-left</b> + (which can still be abbreviated <b>-l</b>) must have its name and value as + separate command line arguments (e.g. <b>-l 50</b>). + + The new syntax was accepted and the old syntax deprecated and removed from + documentation in Netpbm 9.25 (March 2002), and was no longer accepted in + Netpbm 11.05 (December 2023). + + The code was broken for most of that time so that an attempt to use the old + syntax would fail anyway. The bug was discovered only in testing; no user + ever reported encountering it. <h2 id="seealso">SEE ALSO</h2> |