fix excerpt extraction

CHANGELOG.md

@@ -7,6 +7,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this
 project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.3.1] - 2022-11-16
+### Fixed
+- Excerpt post extraction.
+
 ## [0.3.0] - 2022-11-11
 ### Added
 - New `menu_links` option.
@@ -17,7 +21,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 - Code and titles font styles.
-- Excerpt post extraction
+- Excerpt post extraction.
 
 ## [0.2.1] - 2022-10-10
 ### Removed
@@ -49,6 +53,7 @@ First version
 [#1]: https://github.com/lumeland/theme-simple-blog/issues/1
 [#5]: https://github.com/lumeland/theme-simple-blog/issues/5
 
+[0.3.1]: https://github.com/lumeland/theme-simple-blog/compare/v0.3.0...v0.3.1
 [0.3.0]: https://github.com/lumeland/theme-simple-blog/compare/v0.2.1...v0.3.0
 [0.2.1]: https://github.com/lumeland/theme-simple-blog/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/lumeland/theme-simple-blog/compare/v0.1.1...v0.2.0

plugins.ts

@@ -31,8 +31,8 @@ export default function (options: Options = {}) {
       .copy("fonts")
       .copy("favicon.png")
       .preprocess([".md"], (page: Page) => {
-        page.data.excerpt ??= (page.data.content as string).toLowerCase().split(
-          /<!--\s*more\s*-->/,
+        page.data.excerpt ??= (page.data.content as string).split(
+          /<!--\s*more\s*-->/i,
         )[0];
       });