chore: bump dependency on Subplot to current

Also, change a couple of scenario titles to work around a Subplot
problem that results in no name in generated Rust functions.

Sponsored-by: author

3 files changed, 260 insertions, 159 deletions

diff --git a/Cargo.lock b/Cargo.lock
index f92ab58..19f91d2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,6 +23,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "aligned"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80a21b9440a626c7fc8573a9e3d3a06b75c7c97754c2949bc7857b90353ca655"
+dependencies = [
+ "as-slice",
+]
+
+[[package]]
 name = "ansi_term"
 version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -32,12 +41,70 @@ dependencies = [
 ]
 
 [[package]]
+name = "anstream"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e579a7752471abc2a8268df8b20005e3eadd975f585398f17efcfd8d4927371"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is-terminal",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bcd8291a340dd8ac70e18878bc4501dd7b4ff970cfa21c207d36ece51ea88fd"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
 name = "anyhow"
 version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
 
 [[package]]
+name = "as-slice"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "516b6b4f0e40d50dcda9365d53964ec74560ad4284da2e7fc97122cd83174516"
+dependencies = [
+ "stable_deref_trait",
+]
+
+[[package]]
 name = "ascii-canvas"
 version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -65,9 +132,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "base64"
-version = "0.13.1"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
 
 [[package]]
 name = "bit-set"
@@ -144,8 +211,8 @@ checksum = "71655c45cb9845d3270c9d6df84ebe72b4dad3c2ba3f7023ad47c144e4e473a5"
 dependencies = [
  "atty",
  "bitflags",
- "clap_derive",
- "clap_lex",
+ "clap_derive 3.2.18",
+ "clap_lex 0.2.4",
  "indexmap",
  "once_cell",
  "strsim 0.10.0",
@@ -154,6 +221,30 @@ dependencies = [
 ]
 
 [[package]]
+name = "clap"
+version = "4.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b802d85aaf3a1cdb02b224ba472ebdea62014fccfcb269b95a4d76443b5ee5a"
+dependencies = [
+ "clap_builder",
+ "clap_derive 4.2.0",
+ "once_cell",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14a1a858f532119338887a4b8e1af9c60de8249cd7bafd68036a489e261e37b6"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "bitflags",
+ "clap_lex 0.4.1",
+ "strsim 0.10.0",
+]
+
+[[package]]
 name = "clap_derive"
 version = "3.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -167,64 +258,45 @@ dependencies = [
 ]
 
 [[package]]
-name = "clap_lex"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
-dependencies = [
- "os_str_bytes",
-]
-
-[[package]]
-name = "cpufeatures"
-version = "0.2.6"
+name = "clap_derive"
+version = "4.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "280a9f2d8b3a38871a3c8a46fb80db65e5e5ed97da80c4d08bf27fb63e35e181"
+checksum = "3f9644cd56d6b87dbe899ef8b053e331c0637664e9e21a33dfcdc36093f5c5c4"
 dependencies = [
- "libc",
+ "heck 0.4.1",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.15",
 ]
 
 [[package]]
-name = "crossbeam-channel"
-version = "0.5.8"
+name = "clap_lex"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a33c2bf77f2df06183c3aa30d1e96c0695a313d4f9c453cc3762a6db39f99200"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
 dependencies = [
- "cfg-if",
- "crossbeam-utils",
+ "os_str_bytes",
 ]
 
 [[package]]
-name = "crossbeam-deque"
-version = "0.8.3"
+name = "clap_lex"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
-dependencies = [
- "cfg-if",
- "crossbeam-epoch",
- "crossbeam-utils",
-]
+checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
 
 [[package]]
-name = "crossbeam-epoch"
-version = "0.9.14"
+name = "colorchoice"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46bd5f3f85273295a9d14aedfb86f6aadbff6d8f5295c4a9edb08e819dcf5695"
-dependencies = [
- "autocfg",
- "cfg-if",
- "crossbeam-utils",
- "memoffset",
- "scopeguard",
-]
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
-name = "crossbeam-utils"
-version = "0.8.15"
+name = "cpufeatures"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c063cd8cc95f5c377ed0d4b49a4b21f632396ff690e8470c29b3359b346984b"
+checksum = "280a9f2d8b3a38871a3c8a46fb80db65e5e5ed97da80c4d08bf27fb63e35e181"
 dependencies = [
- "cfg-if",
+ "libc",
 ]
 
 [[package]]
@@ -244,6 +316,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "cvt"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2ae9bf77fbf2d39ef573205d554d87e86c12f1994e9ea335b0651b9b278bcf1"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
 name = "deunicode"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -303,12 +384,12 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.7.1"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
+checksum = "a12e6657c4c97ebab115a42dcee77225f7f482cdd841cf7088c657a42e9e00e7"
 dependencies = [
  "atty",
- "humantime 1.3.0",
+ "humantime",
  "log",
  "regex",
  "termcolor",
@@ -316,12 +397,12 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.9.3"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a12e6657c4c97ebab115a42dcee77225f7f482cdd841cf7088c657a42e9e00e7"
+checksum = "85cdab6a89accf66733ad5a1693a4dcced6aeff64602b634530dd73c1f3ee9f0"
 dependencies = [
- "atty",
- "humantime 2.1.0",
+ "humantime",
+ "is-terminal",
  "log",
  "regex",
  "termcolor",
@@ -418,6 +499,21 @@ dependencies = [
 ]
 
 [[package]]
+name = "fs_at"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37047c0d530b3aefc64e4c4d7c6b1e23030c65973661b70e12c826f426f3f675"
+dependencies = [
+ "aligned",
+ "cfg-if",
+ "cvt",
+ "libc",
+ "nix",
+ "smart-default",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
 name = "generator"
 version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -548,15 +644,6 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "hermit-abi"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
@@ -582,17 +669,11 @@ dependencies = [
 
 [[package]]
 name = "humansize"
-version = "1.1.1"
+version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02296996cb8796d7c6e3bc2d9211b7802812d36999a51bb754123ead7d37d026"
-
-[[package]]
-name = "humantime"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
+checksum = "6cb51c9a029ddc91b07a787f1d86b53ccfa49b0e86688c946ebe8d3555685dd7"
 dependencies = [
- "quick-error",
+ "libm",
 ]
 
 [[package]]
@@ -729,6 +810,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
 
 [[package]]
+name = "libm"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "348108ab3fba42ec82ff6e9564fc4ca0247bdccdc68dd8af9764bbc79c3c8ffb"
+
+[[package]]
 name = "line-col"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -796,44 +883,46 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
-name = "memoffset"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
-dependencies = [
- "autocfg",
-]
-
-[[package]]
 name = "new_debug_unreachable"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
 
 [[package]]
+name = "nix"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfdda3d196821d6af13126e40375cdf7da646a96114af134d5f417a9a1dc8e1a"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "libc",
+ "static_assertions",
+]
+
+[[package]]
 name = "no-std-compat"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b93853da6d84c2e3c7d730d6473e8817692dd89be387eb01b94d7f108ecb5b8c"
 
 [[package]]
-name = "nu-ansi-term"
-version = "0.46.0"
+name = "normpath"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+checksum = "ec60c60a693226186f5d6edf073232bfb6464ed97eb22cf3b01c1e8198fd97f5"
 dependencies = [
- "overload",
- "winapi",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
-name = "num_cpus"
-version = "1.15.0"
+name = "nu-ansi-term"
+version = "0.46.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
 dependencies = [
- "hermit-abi 0.2.6",
- "libc",
+ "overload",
+ "winapi",
 ]
 
 [[package]]
@@ -1001,16 +1090,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
 [[package]]
-name = "pretty_env_logger"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "926d36b9553851b8b0005f1275891b392ee4d2d833852c417ed025477350fb9d"
-dependencies = [
- "env_logger 0.7.1",
- "log",
-]
-
-[[package]]
 name = "proc-macro-error"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1056,12 +1135,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
-[[package]]
 name = "quote"
 version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1101,28 +1174,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rayon"
-version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
-dependencies = [
- "either",
- "rayon-core",
-]
-
-[[package]]
-name = "rayon-core"
-version = "1.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
-dependencies = [
- "crossbeam-channel",
- "crossbeam-deque",
- "crossbeam-utils",
- "num_cpus",
-]
-
-[[package]]
 name = "redox_syscall"
 version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1179,15 +1230,18 @@ checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
 name = "remove_dir_all"
-version = "0.7.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "882f368737489ea543bc5c340e6f3d34a28c39980bd9a979e47322b26f60ac40"
+checksum = "23895cfadc1917fed9c6ed76a8c2903615fa3704f7493ff82b364c6540acc02b"
 dependencies = [
+ "aligned",
+ "cfg-if",
+ "cvt",
+ "fs_at",
+ "lazy_static",
  "libc",
- "log",
- "num_cpus",
- "rayon",
- "winapi",
+ "normpath",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -1228,7 +1282,7 @@ dependencies = [
  "anyhow",
  "clap 3.2.23",
  "serde",
- "serde_yaml",
+ "serde_yaml 0.8.26",
  "textwrap 0.15.2",
  "thiserror",
 ]
@@ -1334,6 +1388,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "serde_yaml"
+version = "0.9.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9d684e3ec7de3bf5466b32bd75303ac16f0736426e5a4e0d6e489559ce1249c"
+dependencies = [
+ "indexmap",
+ "itoa",
+ "ryu",
+ "serde",
+ "unsafe-libyaml",
+]
+
+[[package]]
 name = "sha2"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1381,12 +1448,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
 [[package]]
+name = "smart-default"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "133659a15339456eeeb07572eb02a91c91e9815e9cbc89566944d2c8d3efdbf6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
 name = "smawk"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f67ad224767faa3c7d8b6d91985b78e70a1324408abcb1cfcc2be4c06bc06043"
 
 [[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
+[[package]]
 name = "state"
 version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1396,6 +1480,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
 name = "string_cache"
 version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1446,29 +1536,28 @@ dependencies = [
 
 [[package]]
 name = "subplot"
-version = "0.5.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b14be17e3a06a320b4d9851ef7f512bcb19e9c931cd2b2493b61b4a7e6aa6d5"
+checksum = "62063b3d0836def673fdefb6e8fd92f14feef8d8604c55179f148dd61d078f6e"
 dependencies = [
  "anyhow",
  "base64",
- "clap 3.2.23",
- "env_logger 0.9.3",
+ "clap 4.2.2",
+ "env_logger 0.10.0",
  "file_diff",
  "git-testament",
+ "html-escape",
  "lazy_static",
+ "line-col",
  "log",
- "pandoc",
- "pandoc_ast",
  "pikchr",
- "pretty_env_logger",
  "pulldown-cmark",
  "regex",
  "roadmap",
  "serde",
  "serde-aux",
  "serde_json",
- "serde_yaml",
+ "serde_yaml 0.9.21",
  "tempfile",
  "tempfile-fast",
  "tera",
@@ -1479,9 +1568,9 @@ dependencies = [
 
 [[package]]
 name = "subplot-build"
-version = "0.5.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c65e0385a02e0ee2fbf130b67265402f5554ce7b1af36462e201fb20fb168efb"
+checksum = "ad5f495955661520d33ca5726a47146b3235bb231b93234cbc0a7b8956f99806"
 dependencies = [
  "subplot",
  "tempfile",
@@ -1490,9 +1579,9 @@ dependencies = [
 
 [[package]]
 name = "subplotlib"
-version = "0.5.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d42a381ce7bcbef67870adc04e9c7340a5aef3aab0633922494220da2179f3c1"
+checksum = "68fde3363d1d4d9b8ee93870593890705897943d6c7bbb9ff01339343985e6ed"
 dependencies = [
  "base64",
  "fehler",
@@ -1513,14 +1602,14 @@ dependencies = [
 
 [[package]]
 name = "subplotlib-derive"
-version = "0.5.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed6c74877ef4d4bb536eacbb057a52c00d5c4ab855df7b8786f5985add2a3d15"
+checksum = "3067db28f6952a9d73816b6e0d048e9b68fb1edc99c0bf255ff40f818db0e643"
 dependencies = [
  "fehler",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.15",
 ]
 
 [[package]]
@@ -1571,9 +1660,9 @@ dependencies = [
 
 [[package]]
 name = "tera"
-version = "1.17.1"
+version = "1.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3df578c295f9ec044ff1c829daf31bb7581d5b3c2a7a3d87419afe1f2531438c"
+checksum = "95a665751302f22a03c56721e23094e4dc22b04a80f381e6737a07bf7a7c70c0"
 dependencies = [
  "globwalk",
  "humansize",
@@ -1586,6 +1675,7 @@ dependencies = [
  "serde",
  "serde_json",
  "slug",
+ "thread_local",
  "unic-segment",
 ]
 
@@ -1657,11 +1747,10 @@ dependencies = [
 
 [[package]]
 name = "thread_local"
-version = "1.1.7"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
+checksum = "5516c27b78311c50bf42c071425c560ac799b11c30b31f87e3081965fe5e0180"
 dependencies = [
- "cfg-if",
  "once_cell",
 ]
 
@@ -1875,12 +1964,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
 [[package]]
+name = "unsafe-libyaml"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1865806a559042e51ab5414598446a5871b561d21b6764f2eabb0dd481d880a6"
+
+[[package]]
 name = "utf8-width"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5190c9442dcdaf0ddd50f37420417d219ae5261bbf5db120d0f9bab996c9cba1"
 
 [[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
+[[package]]
 name = "valuable"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index be306dc..bb4f2c7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,10 +25,10 @@ walkdir = "2.3.2"
 
 [build-dependencies]
 lalrpop = "0.19.8"
-subplot-build = "0.5.0"
+subplot-build = "0.7.0"
 
 [dev-dependencies]
-subplotlib = "0.5.0"
+subplotlib = "0.7.0"
 fehler = "1.0.0"
 pandoc = "0.8.9"
 pandoc_ast = "0.7.0"
diff --git a/riki.md b/riki.md
index 9938e72..0559259 100644
--- a/riki.md
+++ b/riki.md
@@ -615,7 +615,7 @@ then file output/index.html doesn't contain "<a href="b.jpg"><img src="b.jpg""
 
 
 
-### `meta title`
+### meta title
 
 _Requirement: the `meta title` directive sets page title._
 
@@ -630,7 +630,7 @@ then file output/index.html contains "<TITLE>Yo</TITLE>"
 [[!meta title=Yo]]]
 ~~~
 
-### `shortcut`
+### shortcut
 
 _Requirement: the `shortcut` directive created a shortcut that looks
 like a directive._
@@ -652,7 +652,7 @@ then file output/a/index.html contains "<A href="https://example.com/foo/123">fo
 [[!shortcut name="foo" url="https://example.com/foo/%s" desc="foo!%s"]]
 ~~~
 
-### `table`
+### table
 
 _Requirement: the `table` directive creates a simple table._
 
@@ -678,7 +678,7 @@ goodbye | cruel world
 """]]
 ~~~
 
-### `toc`
+### toc
 
 _Requirement: the `toc` directive creates a table of contents._