diff --git a/TODO.md b/TODO.md
index 1cf60b7..f8035c0 100644
--- a/TODO.md
+++ b/TODO.md
@@ -33,8 +33,10 @@
 - [x] support for images is implemented but do we really want that in the core?
   it's quite heavy
 - [x] shrink entry names that are too long (from the middle)
+- [ ] more syntaxes for the previewer https://www.sublimetext.com/docs/syntax.html#include-syntax
+- [ ] more preview colorschemes
 
-## feature ideas
+## features
 
 - [x] environment variables
 - [x] aliases
diff --git a/crates/television/channels/text.rs b/crates/television/channels/text.rs
index 015b3f1..db78d43 100644
--- a/crates/television/channels/text.rs
+++ b/crates/television/channels/text.rs
@@ -110,11 +110,7 @@ impl Channel {
         );
         let injector = matcher.injector();
         let load_handle = tokio::spawn(async move {
-            let mut lines_in_mem = 0;
-            for entry in entries {
-                if lines_in_mem > MAX_LINES_IN_MEM {
-                    break;
-                }
+            for entry in entries.into_iter().take(MAX_LINES_IN_MEM) {
                 injector.push(
                     CandidateLine::new(
                         entry.display_name().into(),
@@ -125,7 +121,6 @@ impl Channel {
                         cols[0] = c.line.clone().into();
                     },
                 );
-                lines_in_mem += 1;
             }
         });
 
@@ -224,7 +219,7 @@ impl OnAir for Channel {
             .matched_items(
                 offset
                     ..(num_entries + offset)
-                        .min(snapshot.matched_item_count()),
+                    .min(snapshot.matched_item_count()),
             )
             .map(move |item| {
                 snapshot.pattern().column_pattern(0).indices(
@@ -243,11 +238,11 @@ impl OnAir for Channel {
                     display_path.clone() + &item.data.line_number.to_string(),
                     PreviewType::Files,
                 )
-                .with_display_name(display_path)
-                .with_value(line)
-                .with_value_match_ranges(indices.map(|i| (i, i + 1)).collect())
-                .with_icon(FileIcon::from(item.data.path.as_path()))
-                .with_line_number(item.data.line_number)
+                    .with_display_name(display_path)
+                    .with_value(line)
+                    .with_value_match_ranges(indices.map(|i| (i, i + 1)).collect())
+                    .with_icon(FileIcon::from(item.data.path.as_path()))
+                    .with_line_number(item.data.line_number)
             })
             .collect()
     }
@@ -369,7 +364,7 @@ fn try_inject_lines(
                     if (bytes_read == 0)
                         || is_not_text(&buffer).unwrap_or(false)
                         || proportion_of_printable_ascii_characters(&buffer)
-                            < PRINTABLE_ASCII_THRESHOLD
+                        < PRINTABLE_ASCII_THRESHOLD
                     {
                         return None;
                     }
diff --git a/crates/television/television.rs b/crates/television/television.rs
index af9ceb7..b9837c0 100644
--- a/crates/television/television.rs
+++ b/crates/television/television.rs
@@ -333,14 +333,11 @@ impl Television {
                     }
                 }
             }
-            Action::CopyEntryToClipboard => match self.mode {
-                Mode::Channel => {
-                    if let Some(entry) = self.get_selected_entry(None) {
-                        let mut ctx = ClipboardContext::new().unwrap();
-                        ctx.set_contents(entry.name).unwrap();
-                    }
+            Action::CopyEntryToClipboard => if self.mode == Mode::Channel {
+                if let Some(entry) = self.get_selected_entry(None) {
+                    let mut ctx = ClipboardContext::new().unwrap();
+                    ctx.set_contents(entry.name).unwrap();
                 }
-                _ => {}
             },
             Action::ToggleSendToChannel => match self.mode {
                 Mode::Channel | Mode::RemoteControl => {
diff --git a/crates/television/ui/layout.rs b/crates/television/ui/layout.rs
index af6620f..0bf83a6 100644
--- a/crates/television/ui/layout.rs
+++ b/crates/television/ui/layout.rs
@@ -30,6 +30,7 @@ pub struct Layout {
 }
 
 impl Layout {
+    #[allow(clippy::too_many_arguments)]
     pub fn new(
         help_bar_left: Rect,
         help_bar_middle: Rect,
diff --git a/crates/television/ui/preview.rs b/crates/television/ui/preview.rs
index 2b250a1..86dc4e0 100644
--- a/crates/television/ui/preview.rs
+++ b/crates/television/ui/preview.rs
@@ -98,7 +98,7 @@ impl Television {
         let preview_block = self.build_preview_paragraph(
             preview_inner_block,
             inner,
-            &preview,
+            preview,
             selected_entry
                 .line_number
                 .map(|l| u16::try_from(l).unwrap_or(0)),
@@ -174,9 +174,9 @@ impl Television {
                     self.preview_scroll.unwrap_or(0),
                     self.preview_pane_height,
                 )
-                .block(preview_block)
-                .alignment(Alignment::Left)
-                .scroll((self.preview_scroll.unwrap_or(0), 0))
+                    .block(preview_block)
+                    .alignment(Alignment::Left)
+                    .scroll((self.preview_scroll.unwrap_or(0), 0))
             }
             // meta
             PreviewContent::Loading => self
diff --git a/crates/television_derive/src/lib.rs b/crates/television_derive/src/lib.rs
index 5e9520a..e4a23a0 100644
--- a/crates/television_derive/src/lib.rs
+++ b/crates/television_derive/src/lib.rs
@@ -4,7 +4,7 @@ use quote::quote;
 /// This macro generates a `CliChannel` enum and the necessary glue code
 /// to convert into a `TelevisionChannel` member:
 ///
-/// ```rust
+/// ```ignore
 /// use crate::channels::{TelevisionChannel, OnAir};
 /// use television_derive::ToCliChannel;
 /// use crate::channels::{files, text};
@@ -122,7 +122,7 @@ fn impl_cli_channel(ast: &syn::DeriveInput) -> TokenStream {
 /// and forwards the method calls to the corresponding channel variants.
 ///
 /// Example:
-/// ```rust
+/// ```ignore
 /// use television_derive::Broadcast;
 /// use crate::channels::{TelevisionChannel, OnAir};
 /// use crate::channels::{files, text};