tracks/lua/exercises/ocr-numbers/README.md in trackler-2.2.1.47 vs tracks/lua/exercises/ocr-numbers/README.md in trackler-2.2.1.48

@@ -7,20 +7,20 @@
 
 To begin with, convert a simple binary font to a string containing 0 or 1.
 
 The binary font uses pipes and underscores, four rows high and three columns wide.
 
-```
+```text
      _   #
     | |  # zero.
     |_|  #
          # the fourth row is always blank
 ```
 
 Is converted to "0"
 
-```
+```text
          #
       |  # one.
       |  #
          # (blank fourth row)
 ```
@@ -37,20 +37,20 @@
 
 # Step Three
 
 Update your program to recognize all numbers 0 through 9, both individually and as part of a larger string.
 
-```
+```text
  _ 
  _|
 |_ 
    
 ```
 
 Is converted to "2"
 
-```
+```text
       _  _     _  _  _  _  _  _  #
     | _| _||_||_ |_   ||_||_|| | # decimal numbers.
     ||_  _|  | _||_|  ||_| _||_| #
                                  # fourth line is always blank
 ```
@@ -59,10 +59,10 @@
 
 # Step Four
 
 Update your program to handle multiple numbers, one per line. When converting several lines, join the lines with commas.
 
-```
+```text
     _  _ 
   | _| _|
   ||_  _|
          
     _  _