Set the FOLDER property for Abseil targets.

  - bd7f5fa7ad5b7f1371315d45e4e4863f2c2ad9f6 Remove unused includes from string_view.cc. by Greg Falcon <gfalcon@google.com>
  - 692ef928a910fc42bf54b1683d589db4ef58686f Fix build on Mac. GitHub issue #120 reports failure_signa... by Derek Mauro <dmauro@google.com>
  - e5c7aded7ad19ef14c8c980b0bd0ab2ae8598bad Remove stray semicolon; by Abseil Team <absl-team@google.com>

GitOrigin-RevId: bd7f5fa7ad5b7f1371315d45e4e4863f2c2ad9f6
Change-Id: I80850e9bb5eb969fb3a9a79abfd8440258857984

  - 45690246da1e36acde86c941b68aad2248b16ea7 Import of CCTZ from Github. by Abseil Team <absl-team@google.com>
  - ff3cf0774f9903fb62f7012af24c0901286a1b80 Fix -Wunreachable-code-return warning (from clang 6.0) in by Derek Mauro <dmauro@google.com>
  - b41ca35e56f6137cf6672d16613a7edfd6107e27 Include port.h to drag in platform-specific configurations. by Abseil Team <absl-team@google.com>
  - 5d50b728937d245caedaa2208a97d52f55040134 Set the default symbolizer for Mutex deadlock detector re... by Derek Mauro <dmauro@google.com>

GitOrigin-RevId: 45690246da1e36acde86c941b68aad2248b16ea7
Change-Id: I2c6a87e9090657ff3fb456f3409bfdc24b8b765a

https://cmake.org/cmake/help/v3.0/prop_tgt/FOLDER.html
This only affects IDEs and will further only take effect if
  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
is set in the main CMakeLists.txt of the project.

I found using this quite helpful when adding Abseil to larger CMake
projects.

  - 07191b0f52301e1e4a790e236f7b7c2fd90561ae Disambiguates computed return type of absl::optional logi... by Abseil Team <absl-team@google.com>
  - acd95f8ec4e6ec1587cb198c7f40af3c81094d92 Release container benchmarks. by Alex Strelnikov <strel@google.com>
  - 80f596b6b7c5e06453e778c16527d5a0e85f8413 Allow absl::base_internal::AtomicHook to have a default v... by Derek Mauro <dmauro@google.com>
  - 8402631546af8bcbd4acdf897d0cdfb805ad544a Release thread_identity benchmark. by Alex Strelnikov <strel@google.com>
  - 6dcb1e90fefb8556ce4654983d3a73c7585b4b99 Fix spelling error in variant.h by Abseil Team <absl-team@google.com>
  - faa8a81e1442018c0d400b09a595a5be55074715 Run tests from CMake.  The CI is currently Linux only, fo... by Jon Cohen <cohenjon@google.com>
  - 745ed6db574f931f2ec3a88e964fb03a5f22f816 Internal change. by Derek Mauro <dmauro@google.com>
  - 23facd7d1c5f43ac8181b016ee4acc5955f048c1 absl::variant exception safety test. by Xiaoyi Zhang <zhangxy@google.com>
  - c18e21e7cf8f6e83ae9d90e536e886409dd6cf68 Reinstate the syntax check on time-zone abbreviations now... by Abseil Team <absl-team@google.com>
  - da469f4314f0c820665a2b5b9477af9462b23e42 Import CCTZ changes to internal copy. by Shaindel Schwartz <shaindel@google.com>
  - 44ea35843517be03ab256b69449ccfea64352621 Import CCTZ changes to internal copy. by Abseil Team <absl-team@google.com>
  - 55d1105312687c6093950fac831c7540f49045b5 Import CCTZ changes to internal copy. by Greg Falcon <gfalcon@google.com>
  - 58d7965ad274406410b6d833213eca04d41c6867 Add zoneinfo as a data dependency to the //absl/time tests. by Shaindel Schwartz <shaindel@google.com>
  - 6acc50146f9ff29015bfaaa5bf9900691f839da5 Change benchmark target type from cc_test to cc_binary. by Alex Strelnikov <strel@google.com>
  - db3fbdae8f9f285a466f7a070326b1ce43b6a0dd Update WORKSPACE for C++ microbenchmarks and release algo... by Alex Strelnikov <strel@google.com>
  - 0869ae168255242af651853ed01719166d8cebf6 Update to Bazel version 0.13.0. by Abseil Team <absl-team@google.com>
  - e507dd53ab788964207fdf27d31b72a33c296fab Add missing include of cstdio by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 07191b0f52301e1e4a790e236f7b7c2fd90561ae
Change-Id: I90994cf2b438fbec894724dcd9b90882281eef56

  - 60c1f40a5e0bc33f93392ff6827528072d749a29 Move ExceptionSafetyTester from the absl:: namespace to t... by Abseil Team <absl-team@google.com>
  - abd40a98f8ae746eb151e777ea8a8b5223d68a4b Splits the NoThrow flags into TypeSpec and AllocSpec flag... by Abseil Team <absl-team@google.com>
  - c16d0b5509b36679b384147b474135e7951afccf Change the abbreviation for the breakdowns of InfinitePas... by Abseil Team <absl-team@google.com>
  - 8ac104351764f23d666b52dce7536a34c05abf00 Use ABSL_CONST_INIT with std::atomic variables in static ... by Matt Armstrong <marmstrong@google.com>

GitOrigin-RevId: 60c1f40a5e0bc33f93392ff6827528072d749a29
Change-Id: I9d45a6ed30ed32ae57e9eff93f4205dbcd71feb2

  - 81cdce434ff1bd8fa54c832a11dda59af46e79cc Adds a failure signal handler to Abseil. by Derek Mauro <dmauro@google.com>
  - 40a973dd1b159e7455dd5fc06ac2d3f494d72c3e Remove test fixture requirement for ExceptionSafetyTester... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 81cdce434ff1bd8fa54c832a11dda59af46e79cc
Change-Id: Ia9fca98e38f229b68f7ec45600dee1bbd5dcff33

  - 2f6a3c92ce0f64e0923ad326ec5d07eae03061fd Add C++14's std::exchange to absl/utility/utility.h. by Abseil Team <absl-team@google.com>
  - 9f2c9adbf998dd9062c8cc3da1076bde87081d71 Fix comment typo. by Greg Falcon <gfalcon@google.com>

GitOrigin-RevId: 2f6a3c92ce0f64e0923ad326ec5d07eae03061fd
Change-Id: I7b9db94ad315092baefe56b02f250acadafbe312

  - 3a9532fb2d6ae45c3cba44c9bb0dbdfc1558b7d3 Fix the description of Span::subspan(). by Abseil Team <absl-team@google.com>
  - bae1a1c21924bd31fa7315eff05ea6158d9e7947 Port the symbolizer to Windows. by Derek Mauro <dmauro@google.com>
  - 2253c04c1a4f39d9581772f1dc4491878aa3831f Support absl::Hex() and absl::Dec() as arguments to absl:... by Jorg Brown <jorg@google.com>
  - 552c3ac259e9c254fda9244755487f3423d2fe4b Internal change by Jorg Brown <jorg@google.com>

GitOrigin-RevId: 3a9532fb2d6ae45c3cba44c9bb0dbdfc1558b7d3
Change-Id: I448133c9bb6d837037c12b45a9a16a7945049453

  - fd5f3d7077270ffc5ea74cdb9e18bbae3b9b46aa Fix typo optional -> variant by Abseil Team <absl-team@google.com>
  - 9136c06dfa8dbfdde0a427ad3509e34763d607a6 Fix string_view_test and str_cat_test build under MSVC de... by Derek Mauro <dmauro@google.com>
  - a463820f9441888f4368aa87328599e3209f9b07 Removes constexpr optional<T>::operator->(). This was don... by Abseil Team <absl-team@google.com>
  - 3bf78a7f126daafff329f7815d507422f1ca378d Remove dependencies on external CCTZ project. by Shaindel Schwartz <shaindel@google.com>
  - a4ae574a11b1ddf6e88459af3d638cf79aea7ecd Internal change by Jon Cohen <cohenjon@google.com>

GitOrigin-RevId: fd5f3d7077270ffc5ea74cdb9e18bbae3b9b46aa
Change-Id: I6ab8ab99863716fe9b2745a12ef285f7a6da6d1e

Fix some typos.

  - 551e205ef49682a1cb7e6e0cda46957fbcf88edd Release absl::variant. by Xiaoyi Zhang <zhangxy@google.com>
  - 01c52f640594d073c6e54c47e7853b25522cf085 Update comments in absl::variant (and minor changes to ab... by Tom Manshreck <shreck@google.com>
  - 064465e1e6b158abd8c38fd1942b4fc464b57d6a Documentation change. by Abseil Team <absl-team@google.com>
  - 58df2c8a27e80c9ea21d87c1acee8019246377c9 Relocates SetCountdown and UnsetCountdown to the exceptio... by Abseil Team <absl-team@google.com>
  - fd9d248d0948d472f2543f7fd9c0ae4a1cd60d01 Clarify thread_annotation.h documentation around local va... by Abseil Team <absl-team@google.com>
  - 0d0abaf7f0945ac5f2c5f49e78afe1b326d5aca0 Typo fix in comments. by Abseil Team <absl-team@google.com>
  - 67286d587cbd07508a81e5b8147c245a5b5538b4 Internal change. by Xiaoyi Zhang <zhangxy@google.com>

GitOrigin-RevId: 551e205ef49682a1cb7e6e0cda46957fbcf88edd
Change-Id: I1a343b080187293cb5f892a309618b5712e7aa14

  - ed0ba496fe01eb8edfa86beade8a37768e7c12ef Updates the API for Exception Safety testing to use build... by Abseil Team <absl-team@google.com>
  - c4b7a4e517c9404932c45f2f9f92eb7dc694e45d Internal change by Abseil Team <absl-team@google.com>
  - 76c78ed9385f65d881511645446e0bb8ababf6ec Add missing ABSL_PREDICT_FALSE to one of FixedArray::at()... by Abseil Team <absl-team@google.com>
  - 1204fb1c46f007dd9dfb7d9abf3e96c58835d193 Internal change. by Greg Falcon <gfalcon@google.com>
  - f1f47c98a026bc5e425ae83ff4a2eb391bbd3d9b Add internal-only functionality to examine the stack, to ... by Derek Mauro <dmauro@google.com>
  - 30d63097cd268d912f917526f6511005580465c4 fix typo by Abseil Team <absl-team@google.com>
  - 942d7efa6cf54cd248ca57dcaf3c245188b52a76 Remove unnecessary semicolons from comment examples. by Abseil Team <absl-team@google.com>
  - 7db0669cf23a06d934d3ed8c76aee4e4e23b7e04 Remove malloc_hook and malloc_extension from our internal... by Greg Falcon <gfalcon@google.com>
  - 0190f1063d101b1ded355019df2e1d325931f6c7 Make the maximum length of a string view equal difference... by Abseil Team <absl-team@google.com>
  - c8ae37cbce29449b02115a0ebd435ddc3d7ab062 Add namespace qualification. by Shaindel Schwartz <shaindel@google.com>
  - ff70afe2e6e3dd39f51ce9829e3e1f18231bf4d7 Fix internal/direct_mmap.h for non-linux builds. by Greg Falcon <gfalcon@google.com>

GitOrigin-RevId: ed0ba496fe01eb8edfa86beade8a37768e7c12ef
Change-Id: I7595ee3480d1d6724fd3797c15ba9d9be0d17e62

  - 537e863510a423968c2d319263dd1c100695a2e9 Add internal-only functionality to examine the stack, to ... by Derek Mauro <dmauro@google.com>
  - 1ded12406d8b8fd7be910c8dfe8c2a8edf66136e Explicitly suppress the default move constructor and assi... by Derek Mauro <dmauro@google.com>
  - 347d38447ebc38e5d33fec6b67988880eb3cd249 Move implementation detail do_mmap64 to a new file. by Greg Falcon <gfalcon@google.com>

GitOrigin-RevId: a0673e81da7ee7e322283e518331a4cdaeca837b
Change-Id: I5a347d34d5173082b3a78eb53432481b32c94b69

  - edb38790ce245c95715e5c50dfafb0db79d2cdc4 Add quickstart and build sections to readme. by Alex Strelnikov <strel@google.com>
  - 508b3da428bc79cab730aa57109b352a58820573 Fix accidentally qualifying std int types with absl:: in ... by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: edb38790ce245c95715e5c50dfafb0db79d2cdc4
Change-Id: Idf72547f30c72fbb4153d5eae6b59b499ec42955

  - 51e2d3690b9065da84dbbf71fb52f87149670719 Fix `ABSL_HAVE_THREAD_LOCAL` on Apple 32-bit iOS simulato... by Xiaoyi Zhang <zhangxy@google.com>
  - d38332e4d6b51542a42ff49fb0fc4f4a756fdd05 Internal change. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 51e2d3690b9065da84dbbf71fb52f87149670719
Change-Id: I9403fc6308a6c731f1c8e2cd70fdb382fafd960e

  - 985074b3d2f08388125a0004a4984f1d64fb0fcf In the internal implementation, avoid conflicting definit... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 985074b3d2f08388125a0004a4984f1d64fb0fcf
Change-Id: I1a564ac086a36bb52d36aeb5f500c7099d2ee032

  - 7f2f6ad0cc3488cb57dfc5d1050c38862a2e42ef Only check for a specific message in the `bad_cast` tests... by Matt Calabrese <calabrese@google.com>
  - 6a8e56df0d6820c48ee8f39146c7e1fba8a394e7 This prevents a uint32_t value from potentially being log... by Matt Calabrese <calabrese@google.com>
  - 00a77f5569086654837c03d06206349642364395 Add doc-comments to `absl::LogSeverity` and its helpers. by Abseil Team <absl-team@google.com>
  - bf877655e420ebff42bede238523d360b53a80fa Enforce the Abseil-wide assumption that CHAR_BIT == 8. by Mark Barolak <mbar@google.com>

GitOrigin-RevId: 7f2f6ad0cc3488cb57dfc5d1050c38862a2e42ef
Change-Id: Id210255c9301442b0379dca147a806c85452f772

  - f1b5ee8ff389dead0ba5671ad564a46aa1e8d216 Using %d with a uint32_t appears to work on some compiler... by Abseil Team <absl-team@google.com>
  - f8fabe263281d0f57692b1e72014c34dc8a85340 Internal change. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: f1b5ee8ff389dead0ba5671ad564a46aa1e8d216
Change-Id: I207dfc6ba2cd55653652e6bfc9d3699a9e114c1d

  - 79721b5c30c8f1d1fa110aadb21bd89edb461bd8 Bump version of bazel_toolchains used by Abseil. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 79721b5c30c8f1d1fa110aadb21bd89edb461bd8
Change-Id: I2cc6410e1a8b4c29178aa8d083c65f7c28184192

  - f2c4c517f14afa7a3fac6b35588381462f02dec3 Rollback release of algorithm benchmark. by Alex Strelnikov <strel@google.com>
  - ec8a9569ac36d58a4fff2f9fc851e5a9474d274a Change AllocInspector to ConstructorTracker by Jon Cohen <cohenjon@google.com>
  - 6f94f3d65a29b11c692948d23c0fc530f015cd53 Update WORKSPACE for C++ microbenchmarks and release algo... by Alex Strelnikov <strel@google.com>
  - 79187dd7cec821e47cdd751db71bb23be2b8cef7 Define copy assignment operator for ThrowingAllocator. by Xiaoyi Zhang <zhangxy@google.com>
  - 8bf5e1048dd7788f4bce60376f5c3992f8525d88 Fix incorrect format string used in str_cat_test.cc code,... by Jorg Brown <jorg@google.com>
  - 19c51194e6638f05cbb364c6684f14dc7ed1a323 Fix symbolize_test under sanitizers. by Derek Mauro <dmauro@google.com>
  - d68119cfb845a9d460fc3fd4aae1d2ea7d79ee21 Internal change. by Derek Mauro <dmauro@google.com>
  - 4ca54d336c7a18050c95c6c1a859f2a0530e1cde Internal change. by Shaindel Schwartz <shaindel@google.com>

GitOrigin-RevId: f2c4c517f14afa7a3fac6b35588381462f02dec3
Change-Id: If61a65d65f03b26d6776710040780ddd1c52c4de

  - 1320147f7597a9490562d439ecea46faa1793a24 Support Hex formatting of pointers without forcing a cast... by Jorg Brown <jorg@google.com>
  - 13c793d6e14a52063c2d4ee327b6c976631b690e Add support for native WebAssembly llvm backend. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 1320147f7597a9490562d439ecea46faa1793a24
Change-Id: Ibd4dbf288903ab45387932e5b11a28f5accdf166

  - deb12f2a67aafb3568bf83109b6814e69a70473d Add tests to check symbolization with linker flag: -z,kee... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: deb12f2a67aafb3568bf83109b6814e69a70473d
Change-Id: I4139e27395610734ccd21fa80b70b03deff786f8

  - 7349efb2d18db3a019034f66502b67f7461c15ae Reword the noexcept specification for InlinedVector's def... by Jon Cohen <cohenjon@google.com>
  - f3576b18d039a0c8b533f05ac496fa8d7ff3b207 Remove an unneeded comment in call_once.h by Jon Cohen <cohenjon@google.com>

GitOrigin-RevId: 7349efb2d18db3a019034f66502b67f7461c15ae
Change-Id: I398888e6a82ccd69e23ffc0af9eb198d25e57e02

  - 95e20a66bfa6104937ec92722b04a9c0ca0443dc Make ThrowingBool convertible to bool. by Xiaoyi Zhang <zhangxy@google.com>

GitOrigin-RevId: 95e20a66bfa6104937ec92722b04a9c0ca0443dc
Change-Id: I7a1dcb53b0764b24482ee1886276b267c8cb83c2

  - 586ce24e521973fceb43fd8ea7c9f54eae938762 Remove comments that reference internal code. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 586ce24e521973fceb43fd8ea7c9f54eae938762
Change-Id: Ibab556ce20d3cb0022483cb1f027af67e26706f6

  - 50eadebdcad56fe50e8070b94497568c74175b28 Correct an example for StrSplit in the comments and chang... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 50eadebdcad56fe50e8070b94497568c74175b28
Change-Id: I2b12ce54e7d9db05ee15904801498f59e20e5d23

  - aba727a5943a014392e3873349cee9dd5efc634e Avoid using 128-bit intrinsics for Clang on Windows. by Abseil Team <absl-team@google.com>
  - cdd19f1eda562af8906bff8feff827eb8e8e9797 Utilize the rtems TID infrastructure on myriad2 platforms. by Abseil Team <absl-team@google.com>
  - 52f7f55daa84ea25fa210d1b9d2bd64d128e1d81 Use intrinsic 128 bit integer when available for division... by Alex Strelnikov <strel@google.com>
  - 51f881b1152c0c861cf7fcac53f30d3c7ce12902 Merge GitHub #95: Fix compiler version check for clang-cl... by Derek Mauro <dmauro@google.com>

GitOrigin-RevId: aba727a5943a014392e3873349cee9dd5efc634e
Change-Id: I9b52d84095537acbbc96d3f74917f78da9a51156

  - f0a03a750a36dfbd7ab06d2913430ed5f988fd68 Add absl::RegisterSymbolizer() to mutex_nonprod.cc for AP... by Derek Mauro <dmauro@google.com>
  - f34a2ee35b4f6b321c570c51b0c381647176df63 Add the async signal-safe Symbolizer to Abseil. by Derek Mauro <dmauro@google.com>
  - 6a29ec2d6dc080691f6d32e1982201d1d173bdb3 Document preferred placement of ABSL_CONST_INIT attribute... by Abseil Team <absl-team@google.com>
  - 6f04ed6aa9c19bd717f0e8f422a97f3e3368cf30 Internal change. by Abseil Team <absl-team@google.com>
  - 0af9a330aff8fc0b41dcb3fe519930c36b01a9ef Declare absl::raw_logging_internal::SafeWriteToStderr in ... by Abseil Team <absl-team@google.com>
  - 223ff26745d31dfb4b59c36f3dee5441506af3c2 Fix ABSL_ARRAYSIZE() to handle rvalues. by Xiaoyi Zhang <zhangxy@google.com>

GitOrigin-RevId: f0a03a750a36dfbd7ab06d2913430ed5f988fd68
Change-Id: I491f9cc81ca3ee078fb737cbf8fa9bf6a730eee1

  - 5d9197f54029dd26e144365738e99a1d3582cc18 Change alignment requirement for uint128. by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 5d9197f54029dd26e144365738e99a1d3582cc18
Change-Id: Ibac0689c5d95a019441be9d4479b65c5aba1c286

  - db061dd2b795837e6154be0991077ca5a03ec471 Release the async-signal safe demangler as an internal im... by Derek Mauro <dmauro@google.com>
  - 310440eb33d946df79d26bf1edf795f6a0b466b9 Use static_cast to constrain nanoseconds to int range, av... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: db061dd2b795837e6154be0991077ca5a03ec471
Change-Id: Ibc1bc1db355a48115451da5ce88d66a1f6e1a182

  - adae1fe5510c93311cd38aad35c463537048f425 Add !defined(_WIN32) to the conditions for by Derek Mauro <dmauro@google.com>

GitOrigin-RevId: adae1fe5510c93311cd38aad35c463537048f425
Change-Id: Iaa8bb315048404777b5d3f57e0efdb2501945021

  - db6fa2aed56380c6708670659c6f8603284fcc4a Rework Abseil cmake/README.md by Abseil Team <absl-team@google.com>
  - 192c7d3553bc0fe98f6935ccecff48ed785d89f0 Add function attribute ABSL_ATTRIBUTE_FUNC_ALIGN(bytes) t... by Abseil Team <absl-team@google.com>
  - 1a93e95c71c656add346a0c1771bec26417347ad Internal change by Abseil Team <absl-team@google.com>
  - 5c6d3e023a8749a5cc89f4cc6b57b6684a28b1c1 Internal change by Shaindel Schwartz <shaindel@google.com>
  - e415990ea54cf882646b0bc0a75a6e3c6741ce5f Fix testing of UTF8 characters on Windows (https://github... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: db6fa2aed56380c6708670659c6f8603284fcc4a
Change-Id: I128a7ca751fa207ef272809c1b908568d187c87e

  - d79c005bda08783cd496c41dbd51a5d7e520c9e2 Fix typo in ByLength example (comment). by Abseil Team <absl-team@google.com>
  - 0751d4f0e61f70e50f4771ca9843bd90895ec0bc Enable RAW_LOG on NaCl via POSIX write(), which it suppor... by Abseil Team <absl-team@google.com>
  - 4a63f87b9b1c9d738da21fc0ffa638876a12facf Remove use of assert() in .h and .inc files to reduce cha... by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: d79c005bda08783cd496c41dbd51a5d7e520c9e2
Change-Id: I0c5d064faa1b8e6b703d388af2b8957cc906dd7f

  - a0405e7870a80a9dbc6784b06795e7df5a8c90f5 Internal change by Daniel Katz <katzdm@google.com>
  - 2888fe17796d7afa45f4b6ca7eb8e88f52739c39 StrCat: Support zero-padding and space-padding for decima... by Jorg Brown <jorg@google.com>
  - feebc521195241783730df9700394f6585550ff2 Merge GitHub PR #91. by Derek Mauro <dmauro@google.com>
  - e8164335efefb7335f407c17a16fce2ba4f24e3e This changes the value base_internal::kOnceDone from 32-b... by Abseil Team <absl-team@google.com>
  - 0f6085f3f0ee1d6baf9a558d07a25c2fcde93273 Remove `compliant` field from some type trait structs. by Matt Armstrong <marmstrong@google.com>

GitOrigin-RevId: a0405e7870a80a9dbc6784b06795e7df5a8c90f5
Change-Id: Ic2efd40f6ec35f79a8aa12d4475cbea3150756d7

Annotate printf-like functions as such