Source code upload

eoe/cmd/patch/comments

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+#ident  "$Revision: 1.1 $"
+
+1. -b. (test 6, 7, 8, 10)
+In gnu patch, -b requires an argument as the suffix we want for the backup
+file. In xpg4 spec, -b doesn't have an argument and when it's specified,
+we add suffix ".orig" after the original filename. What do we do?
+
+3. Environment variable: SIMPLE_BACKUP_SUFFIX. Should we use it or not?
+
+4. For test 21, if we have the format:
+
+Index file1.txt
+....
+....
+Index file1.txt
+
+
+How do we apply the patch? Do we apply the second patch on the original
+file1.txt or the one after the first patch? Do we replace the first patch
+result with the second patch or append second patch on the first one?
+
+5. -p (test 22, 23, 24, 35, 36)
+For test 22, -p in gnu takes optional argument, so the argument has
+to be after -p immediately. In order to pass 22, we have to force
+required argument. 
+
+6. exit status(41)
+If we have reject file, then we set the status 1 no matter how many
+hunks we failed.