follow-up #17837: add Console for interactive sessions (#17930)

* follow-up #17837: add `Console` for interactive sessions

* fix Latex

tests/stdlib/thighlite.nim

@@ -1,8 +1,8 @@
 
-import unittest
+import unittest, strutils
 import ../../lib/packages/docutils/highlite
 
-block: # Nim tokenizing"
+block: # Nim tokenizing
   test "string literals and escape seq":
     check("\"ok1\\nok2\\nok3\"".tokenize(langNim) ==
        @[("\"ok1", gtStringLit), ("\\n", gtEscapeSequence), ("ok2", gtStringLit),
@@ -11,3 +11,16 @@ block: # Nim tokenizing"
     check("\"\"\"ok1\\nok2\\nok3\"\"\"".tokenize(langNim) ==
        @[("\"\"\"ok1\\nok2\\nok3\"\"\"", gtLongStringLit)
       ])
+
+block: # Cmd (shell) tokenizing
+  test "cmd with dollar and output":
+    check(
+      dedent"""
+        $ nim c file.nim
+        out: file [SuccessX]"""
+        .tokenize(langConsole) ==
+      @[("$ ", gtPrompt), ("nim", gtProgram),
+        (" ", gtWhitespace), ("c", gtOption), (" ", gtWhitespace),
+        ("file.nim", gtIdentifier), ("\n", gtWhitespace),
+        ("out: file [SuccessX]", gtProgramOutput)
+      ])