Update html2text dependency to v0.2.1

This patch updates the html2text dependency to v0.2.1.  This release
fixed the handling of preformatted blocks, allowing us to add syntax
highlighting for code blocks in the next patch.

Cargo.lock

@@ -2,14 +2,6 @@
 # It is not intended for manual editing.
 # SPDX-FileCopyrightText: 2020 Robin Krahl <robin.krahl@ireas.org>
 # SPDX-License-Identifier: CC0-1.0
-[[package]]
-name = "addr2line"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "gimli 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "adler"
 version = "0.2.3"
@@ -55,19 +47,6 @@ name = "autocfg"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "backtrace"
-version = "0.3.50"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "addr2line 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "object 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "base64"
 version = "0.12.3"
@@ -280,11 +259,6 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.22.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "hashbrown"
 version = "0.8.2"
@@ -311,10 +285,9 @@ dependencies = [
 
 [[package]]
 name = "html2text"
-version = "0.1.12"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "html5ever 0.25.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "markup5ever_rcdom 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -499,11 +472,6 @@ dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "object"
-version = "0.20.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "onig"
 version = "6.0.0"
@@ -742,11 +710,6 @@ dependencies = [
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -764,7 +727,7 @@ dependencies = [
  "assert_cmd 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "html2text 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html2text 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "insta 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "kuchiki 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1192,14 +1155,12 @@ dependencies = [
 ]
 
 [metadata]
-"checksum addr2line 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1b6a2d3371669ab3ca9797670853d61402b03d0b4b9ebf33d677dfa720203072"
 "checksum adler 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 "checksum ansi_term 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
 "checksum anyhow 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)" = "85bb70cc08ec97ca5450e6eba421deeea5f172c0fc61f78b5357b2a8e8be195f"
 "checksum assert_cmd 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c88b9ca26f9c16ec830350d309397e74ee9abdfd8eb1f71cb6ecc71a3fc818da"
 "checksum atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 "checksum autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
-"checksum backtrace 0.3.50 (registry+https://github.com/rust-lang/crates.io-index)" = "46254cf2fdcdf1badb5934448c1bcbe046a56537b3987d96c51a7afc5d03f293"
 "checksum base64 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
 "checksum bincode 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f30d3a39baa26f9651f17b375061f3233dde33424a8b72b0dbe93a68a0bc896d"
 "checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
@@ -1227,11 +1188,10 @@ dependencies = [
 "checksum fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
 "checksum gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)" = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
 "checksum getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
-"checksum gimli 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
 "checksum hashbrown 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e91b62f79061a0bc2e046024cb7ba44b08419ed238ecbd9adbd787434b9e8c25"
 "checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
 "checksum hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c30f6d0bc6b00693347368a67d41b58f2fb851215ff1da49e90fe2c5c667151"
-"checksum html2text 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "95797be56798f96288153e94dadaef204266254e66f4cbc1046fe03d35a14e6b"
+"checksum html2text 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a26379dcb715e237b96102a12b505c553e2bffa74bae2e54658748d298660ef1"
 "checksum html5ever 0.25.1 (registry+https://github.com/rust-lang/crates.io-index)" = "aafcf38a1a36118242d29b92e1b08ef84e67e4a5ed06e0a80be20e6a32bfed6b"
 "checksum indexmap 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "86b45e59b16c76b11bf9738fd5d38879d3bd28ad292d7b313608becb17ae2df9"
 "checksum insta 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)" = "617e921abc813f96a3b00958c079e7bf1e2db998f8a04f1546dd967373a418ee"
@@ -1254,7 +1214,6 @@ dependencies = [
 "checksum nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 "checksum num-integer 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 "checksum num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)" = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
-"checksum object 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1ab52be62400ca80aa00285d25253d7f7c437b7375c4de678f5405d3afe82ca5"
 "checksum onig 6.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd91ccd8a02fce2f7e8a86655aec67bc6c171e6f8e704118a0e8c4b866a05a8a"
 "checksum onig_sys 69.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3814583fad89f3c60ae0701d80e87e1fd3028741723deda72d0d4a0ecf0cb0db"
 "checksum pager 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b69ced2bfa977c4541743a7427b89c94120684791a9629941fe6028dccab6528"
@@ -1283,7 +1242,6 @@ dependencies = [
 "checksum redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)" = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 "checksum regex-syntax 0.6.18 (registry+https://github.com/rust-lang/crates.io-index)" = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
 "checksum remove_dir_all 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
-"checksum rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 "checksum safemem 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"

Cargo.toml

@@ -19,7 +19,7 @@ exclude = [".builds/*", "tests/html/*", "tests/snapshots/*"]
 ansi_term = "0.12.1"
 anyhow = "1.0.31"
 atty = "0.2.14"
-html2text = "0.1.12"
+html2text = "0.2.1"
 kuchiki = "0.8.0"
 log = "0.4.11"
 markup5ever = "0.10.0"

src/viewer/text/plain.rs

@@ -123,6 +123,14 @@ impl text_renderer::TextDecorator for Decorator {
         "**".to_owned()
     }
 
+    fn decorate_strikeout_start(&mut self) -> (String, Self::Annotation) {
+        ("~".to_owned(), ())
+    }
+
+    fn decorate_strikeout_end(&mut self) -> String {
+        "~".to_owned()
+    }
+
     fn decorate_code_start(&mut self) -> (String, Self::Annotation) {
         ("`".to_owned(), ())
     }

src/viewer/text/rich.rs

@@ -101,6 +101,7 @@ pub fn style_rich_string(ts: &RichString) -> text_style::StyledStr<'_> {
             RichAnnotation::Link(_) => s.style_mut().set_bold(true),
             RichAnnotation::Image => {}
             RichAnnotation::Emphasis => s.style_mut().set_italic(true),
+            RichAnnotation::Strikeout => {}
             RichAnnotation::Strong => s.style_mut().set_bold(true),
             RichAnnotation::Code => s.style_mut().set_fg(text_style::AnsiColor::Yellow.dark()),
             RichAnnotation::Preformat(_) => {}