fix: use up to date toml for serialization

Cargo.toml

@@ -41,10 +41,6 @@ regex = "1.9.6"
 semver = "1.0.19"
 serde = { version = "1.0.188", features = ["derive"] }
 serde_json = "1.0.107"
-# Peer dependency of mdbook
-# The version of toml that mdbook uses internally (and uses in it's public api)
-# Only used for compatilibilty with the mdbook public api
-toml_mdbook = { package = "toml", version = "0.5.11" }
 toml = "0.8.1"
 toml_edit = { version = "0.22.13", optional = true }
 hex_color = { version = "3.0.0", features = ["serde"] }

src/bin/mdbook-admonish.rs

@@ -125,7 +125,7 @@ struct Preprocessors {
 
 /// Load the plugin specific config as a toml string, for private deserialization.
 fn admonish_config_string(config: &Config) -> Result<String> {
-    Ok(toml_mdbook::to_string(
+    Ok(toml::to_string(
         &config
             .preprocessor
             .admonish

src/book_config.rs

@@ -11,11 +11,12 @@ use crate::types::{AdmonitionDefaults, BuiltinDirective, BuiltinDirectiveConfig}
 /// Roundtrips config to string, to avoid linking the plugin's internal version of toml
 /// to the one publically exposed by the mdbook library.
 pub(crate) fn admonish_config_from_context(ctx: &PreprocessorContext) -> Result<Config> {
-    let table: String = toml_mdbook::to_string(
+    let table: String = toml::to_string(
         ctx.config
             .get_preprocessor("admonish")
             .context("No configuration for mdbook-admonish in book.toml")?,
-    )?;
+    )
+    .context("Could not serialize mdbook-admonish config. This is a bug in the toml library.")?;
     admonish_config_from_str(&table)
 }