refactor: clarify argument descriptions in RunFile and RunString comments

Rewrote the function comments for RunFile and RunString to improve clarity
and stability under `go fmt`. The previous indentation-based formatting was
not preserved by `go fmt`, so the description style was revised to use
distinct bullet points for each argument.

main.go

@@ -8,10 +8,11 @@ import (
 )
 
 // RunFile loads and executes a Lisp script from the specified file.
-//   - fname: the path to the Lisp source file to be executed.
-//   - args: typically corresponds to os.Args[1:], where:
-//       - args[0] is the script file name (not used directly),
-//       - args[1:] are the arguments passed to the script.
+//
+// - fname: the path to the Lisp source file to be executed.
+// - args: typically corresponds to os.Args[1:].
+// - args[0]: the script file name (not used directly).
+// - args[1:]: arguments passed to the script.
 func RunFile(fname string, args []string) error {
 	script, err := os.ReadFile(fname)
 	if err != nil {
@@ -20,11 +21,12 @@ func RunFile(fname string, args []string) error {
 	return RunString(string(script), args)
 }
 
-// RunString executes a Lisp script provided as a string.
-//   - script: the Lisp code to be executed.
-//   - args: typically corresponds to os.Args[1:], where:
-//       - args[0] is a pseudo script name,
-//       - args[1:] are the arguments passed to the script.
+// RunString executes a Lisp script given directly as a string.
+//
+// - script: the Lisp source code to be executed (equivalent to the contents of a file).
+// - args: typically corresponds to os.Args[1:].
+// - args[0]: the script file name (not used directly).
+// - args[1:]: arguments passed to the script.
 func RunString(script string, args []string) error {
 	term, err := NewTerm()
 	if err != nil {