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UPDATING / RELNOTES: Document new regcomp(3) behavior

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This is a breaking change that had a not-insignificant impact in ports, it
is worth documenting it well.
This commit is contained in:
Kyle Evans 2020-07-29 23:59:35 +00:00
parent 0f70a1489d
commit d2090a40d0
2 changed files with 11 additions and 0 deletions
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RELNOTES
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@ -10,6 +10,10 @@ newline. Entries should be separated by a newline.
Changes to this file should not be MFCed.
r363679:
Applications using regex(3), e.g. sed/grep, will no longer accept
redundant escapes for most ordinary characters.
r363253:
SCTP support has been removed from GENERIC kernel configurations.
The SCTP stack is now built as sctp.ko and can be dynamically loaded.

7
UPDATING
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@ -26,6 +26,13 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW:
disable the most expensive debugging functionality run
"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
20200729:
r363679 has redefined some undefined behavior in regcomp(3); notably,
extraneous escapes of most ordinary characters will no longer be
accepted. An exp-run has identified all of the problems with this in
ports, but other non-ports software may need extra escapes removed to
continue to function.
20200627:
A new implementation of bc and dc has been imorted in r362681. This
implementation corrects non-conformant behavior of the previous bc