Export of internal Abseil changes.

--
fc61fc3822d414a1abda906a81208d2667195de3 by Abseil Team <absl-team@google.com>:

Clarify documentation relating to the output of the various
printing functions.

PiperOrigin-RevId: 253041344

--
06cb414d1006cd89e38b381d52763b048909d69a by Jorg Brown <jorg@google.com>:

Change absl::container_internal::CompressedTuple to instantiate its
internal Storage class with the name of the type it's holding, rather
than the name of the Tuple.  This is not an externally-visible change,
other than less compiler memory is used and less debug information is
generated.

PiperOrigin-RevId: 252940185

--
33b3f3ed6037eac7d1b7989a3641370e92beaeb9 by Jorg Brown <jorg@google.com>:

Change absl::container_internal::CompressedTuple to instantiate its
internal Storage class with the name of the type it's holding, rather
than the name of the Tuple.  This is not an externally-visible change,
other than less compiler memory is used and less debug information is
generated.

PiperOrigin-RevId: 252902091

--
88595f4e7d6ac57bebdc9811045867f5d7477b5b by Abseil Team <absl-team@google.com>:

Unset thread_local/__thread support for Emscripten.

PiperOrigin-RevId: 252706297

--
cabd1715d873dc457271940335c764e62defb952 by Derek Mauro <dmauro@google.com>:

Rollback LLVM and Bazel version due to
intermittent network failures downloading from GitHub

PiperOrigin-RevId: 252661245
GitOrigin-RevId: fc61fc3822d414a1abda906a81208d2667195de3
Change-Id: I4c30995a2db7acef19415ad519259131584db261

1 files changed, 5 insertions, 2 deletions

diff --git a/absl/strings/substitute.h b/absl/strings/substitute.h
index 32dec30..233e9dc 100644
--- a/absl/strings/substitute.h
+++ b/absl/strings/substitute.h
@@ -35,10 +35,13 @@
 // and single digit positional ids to indicate which substitution arguments to
 // use at that location within the format string.
 //
+// A '$$' sequence in the format string causes a literal '$' character to be
+// output.
+//
 // Example 1:
-//   std::string s = Substitute("$1 purchased $0 $2. Thanks $1!",
+//   std::string s = Substitute("$1 purchased $0 $2 for $$10. Thanks $1!",
 //                              5, "Bob", "Apples");
-//   EXPECT_EQ("Bob purchased 5 Apples. Thanks Bob!", s);
+//   EXPECT_EQ("Bob purchased 5 Apples for $10. Thanks Bob!", s);
 //
 // Example 2:
 //   std::string s = "Hi. ";