enhancement: add missing common file extensions to language detection

crates/lsh/definitions/cpp.lsh

@@ -4,6 +4,9 @@
 #[path = "**/*.cxx"]
 #[path = "**/*.hpp"]
 #[path = "**/*.h"]
+#[path = "**/*.hh"]
+#[path = "**/*.hxx"]
+#[path = "**/*.ixx"]
 pub fn cpp() {
     until /$/ {
         yield other;

crates/lsh/definitions/fsharp.lsh

@@ -2,6 +2,7 @@
 #[path = "**/*.fs"]
 #[path = "**/*.fsi"]
 #[path = "**/*.fsx"]
+#[path = "**/*.fsscript"]
 pub fn fsharp() {
     // Compiler and script directives always occupy the entire line.
     if /\s*#(?:if|else|endif|light|line|load|nowarn|time|help|quit|r|I)\>.*/ {

crates/lsh/definitions/json.lsh

@@ -1,6 +1,8 @@
 #[display_name = "JSON"]
 #[path = "**/*.json"]
 #[path = "**/*.jsonc"]
+#[path = "**/*.jsonl"]
+#[path = "**/*.ndjson"]
 pub fn json() {
     until /$/ {
         yield other;

crates/lsh/definitions/markdown.lsh

@@ -1,5 +1,6 @@
 #[display_name = "Markdown"]
 #[path = "**/*.md"]
+#[path = "**/*.markdown"]
 pub fn markdown() {
     // Any lines that start with a tab or 4+ spaces are code blocks.
     if /(?:\t|    ).*/ {

crates/lsh/definitions/xml.lsh

@@ -13,7 +13,7 @@
 #[path = "**/*.vcxproj"]
 #[path = "**/*.xaml"]
 #[path = "**/*.xml"]
-#[path = "**/*.xml"]
+#[path = "**/*.xhtml"]
 pub fn xml() {
     until /$/ {
         yield other;