Print an empty line between previews (#536)

Cargo.lock

@@ -320,7 +320,7 @@ dependencies = [
 
 [[package]]
 name = "navi"
-version = "2.16.0"
+version = "2.16.1"
 dependencies = [
  "anyhow",
  "clap",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "navi"
-version = "2.16.0"
+version = "2.16.1"
 authors = ["Denis Isidoro <denis_isidoro@live.com>"]
 edition = "2018"
 description = "An interactive cheatsheet tool for the command-line"

src/actor.rs

@@ -76,14 +76,13 @@ fn prompt_finder(
     };
 
     let exe = fs::exe_string();
-    let extra = extra_preview.clone().unwrap_or_default();
 
     let preview = if cfg!(target_os = "windows") {
         format!(
             r#"(@echo.{{+}}{eof}{{q}}{eof}{name}{eof}{extra}) | {exe} preview-var-stdin"#,
             exe = exe,
             name = variable_name,
-            extra = extra,
+            extra = extra_preview.clone().unwrap_or_default(),
             eof = EOF,
         )
     } else {
@@ -97,7 +96,10 @@ fn prompt_finder(
 )" "{name}"; {extra}"#,
             exe = exe,
             name = variable_name,
-            extra = extra,
+            extra = extra_preview
+                .clone()
+                .map(|e| format!(" echo; {}", e))
+                .unwrap_or_default(),
             eof = EOF,
         )
     };

src/handler/preview_var_stdin.rs

@@ -15,6 +15,8 @@ pub fn main() -> Result<()> {
 
     if let Some(extra) = parts.next() {
         if !extra.is_empty() {
+            print!("");
+
             shell::out()
                 .arg(extra)
                 .spawn()