randall commented on code in PR #9405:
URL: https://github.com/apache/trafficserver/pull/9405#discussion_r1132635187
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configure.ac:
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@@ -2443,10 +2443,10 @@ AC_MSG_NOTICE([Build option summary:
CXXFLAGS: $CXXFLAGS
CPPFLAGS: $CPPFLAGS
LDFLAGS: $LDFLAGS
- AM@&t@_CFLAGS: $AM_CFLAGS
Review Comment:
You got me wondering that now, and I found this:
https://www.gnu.org/software/autoconf/manual/autoconf-2.67/html_node/Quadrigraphs.html
maybe for this?
```
to escape occurrences of forbidden patterns
For instance you might want to mention AC_FOO in a comment, while still
being sure that autom4te still catches unexpanded ‘AC_*’. Then write
‘AC@&t@_FOO’.
```
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