#6828: fix wrongly highlighted blocks.
diff --git a/Doc/tutorial/introduction.rst b/Doc/tutorial/introduction.rst
index 23ff522..1d67ed3 100644
--- a/Doc/tutorial/introduction.rst
+++ b/Doc/tutorial/introduction.rst
@@ -138,7 +138,6 @@
4.0
>>> abs(a) # sqrt(a.real**2 + a.imag**2)
5.0
- >>>
In interactive mode, the last printed expression is assigned to the variable
``_``. This means that when you are using Python as a desk calculator, it is
@@ -152,7 +151,6 @@
113.0625
>>> round(_, 2)
113.06
- >>>
This variable should be treated as read-only by the user. Don't explicitly
assign a value to it --- you would create an independent local variable with the
@@ -193,7 +191,9 @@
Note that newlines still need to be embedded in the string using ``\n``; the
newline following the trailing backslash is discarded. This example would print
-the following::
+the following:
+
+.. code-block:: text
This is a rather long string containing
several lines of text just as you would do in C.
@@ -209,7 +209,9 @@
-H hostname Hostname to connect to
"""
-produces the following output::
+produces the following output:
+
+.. code-block:: text
Usage: thingy [OPTIONS]
-h Display this usage message
@@ -224,7 +226,9 @@
print hello
-would print::
+would print:
+
+.. code-block:: text
This is a rather long string containing\n\
several lines of text much as you would do in C.