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Changes in version 1.14: Version 1.14 is the largest bug hunt ever attempted in GNU ed. Other goals of version 1.14 are to complete the documentation and to remove any gratuitous incompatibilities with the POSIX standard. Thanks to Ori Avtalion for initiating all this with a couple bug reports. ;-) Byte counts, informative messages, command error messages, and the '?' and '!' prompts are now written to stdout instead of to stderr. The standard error (stderr) is now used only for diagnostic messages. The current address is now correctly set to the addressed line after an empty insert command. Fixed inconsistent behavior of the substitute command. It incorrectly reported 'Invalid pattern delimiter' when the two last delimiters were omitted after a null regular expression. Now it consistently reports 'Missing pattern delimiter' if the two last delimiters are omitted after any regular expression (null or not). 's/a/%' has been fixed. It incorrectly replaced 'a' with '%' instead of using the replacement from the last substitution. An infinite loop, happening when EOF was found in the middle of a replacement string, has been fixed. Ed no longer accepts newlines in the replacement of a 's' command if it is part of the command list of a global command, because in this case the meaning of the newline becomes ambiguous. For the same reason, the last delimiter can't be omitted if the 's' command is not the last command in the command list. The substitute command now correctly sets the current address to the address of the last line on which a substitution occurred, and leaves it unchanged if no substitution is performed. A bug in the calculation of address offsets has been fixed. '3 ---- 2' was calculated as address -2 instead of the correct address 1. Address ranges with the first address omitted are now accepted. The current address is now correctly set to the addressed line (or to the new last line if at EOF) after an empty replacement text in the change command. Repeated print suffixes are now rejected. It has been documented that ed allows any combination of non-repeated print suffixes and combines their effects. The substitute command now accepts suffixes in any order. The 'repeat substitution' command now rejects multiple count suffixes. The 'p' suffix of the 'repeat substitution' command now toggles all the print suffixes of the last substitution. End of file on standard input now behaves as a 'q' command. The modified status is no longer cleared after writing the buffer to the standard input of a shell command. (Reported by J�r�me Frgacic). The descriptions of the 'a', 'c', 'e', 'g', 'i', 'j', 'k', 'm', 'q', 'r', 's', 'u' and 'w' commands in the manual have been fixed. Most tests in the testsuite have been improved. Bug reporting has been simplified; only the failed logs and results are kept in the test directory, which can then be (tarred, compressed, and) attached to the bug report.