07e2a53ee5
* Noteworthy changes in release 4.5 (2018-03-31) [stable]
** Bug fixes
sed now fails when matching very long input lines (>2GB).
Before, sed would silently ignore the regex without indicating an
error. [Bug present at least since sed-3.02]
sed no longer rejects comments and closing braces after y/// commands.
[Bug existed at least since sed-3.02]
sed -E --posix no longer ignores special meaning of '+','?','|' .
[Bug introduced in the original implementation of --posix option in
v4.1a-5-gba68fb4]
sed -i now creates selinux context based on the context of the symlink
instead of the symlink target. [Bug present since at least sed-4.2]
sed -i --follow-symlinks remains unchanged.
sed now treats the sequence '\x5c' (ASCII 92, backslash) as literal
backslash character, not as an escape prefix character.
[Bug present since sed-3.02.80]
Old behavior:
$ echo z | sed -E 's/(z)/\x5c1/' # identical to 's/(z)/\1/'
z
New behavior:
$ echo z | sed -E 's/(z)/\x5c1/'
\1
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