diff --git a/2014/deak/README.md b/2014/deak/README.md
index 47735f8df..1461e5ad6 100644
--- a/2014/deak/README.md
+++ b/2014/deak/README.md
@@ -5,7 +5,9 @@ make
 ```
 
 There is an alternate version that the author provided but fixed in 2023 to
-compile. See [alternate code](#alternate-code) below.
+compile with modern systems and to allow one to reconfigure the constants `X1`,
+`X2`, `Y1` and `Y2` (which were magic numbers). See [Alternate
+code](#alternate-code) below.
 
 
 ## To use:
@@ -29,16 +31,30 @@ various regions of the fractal.
 
 The alternate code is included as [prog.alt.c](prog.alt.c) so you can more
 easily see the difference in what it might look like if the C was more
-recognisable. To use, try:
+recognisable and also to let you reconfigure the coordinates.
+
+
+### Alternate build:
 
 ```sh
 make alt
 ```
 
-Use `prog.alt` as you would `prog`.
+If you wish to redefine the coordinates you can do so by defining `X1`, `X2`,
+`Y1` and/or `Y2`, which default to: `-2`, `1`, `-1.3` and `1.3` respectively.
+For instance:
 
-Bonus: the author explains how to configure the program but can you figure out
-how to do it in the alternate code?
+
+```sh
+make clobber CDEFINE="-DX1=-3 -DX2=2 -DY1=-2.3 -DY2=2.3" alt
+```
+
+You may pick and choose which ones to redefine.
+
+
+### Alternate use:
+
+Use `prog.alt` as you would `prog`.
 
 
 ## Judges' remarks:
@@ -51,19 +67,21 @@ We liked the use of unary notation facilitated by variadic macros.
 
 ## Author's remarks:
 
+
 ### Portability
 
 The application was written on a standard Ubuntu 14.04 and tested with
-gcc 4.9.1 and clang 3.5 on 64 bit system (though this should not matter).
+gcc 4.9.1 and clang 3.5 on a 64 bit system (though this should not matter).
 The application makes no assumption regarding any system specific settings,
 and it only needs a console to run. The provided Makefile is just to have
 an easy compilation. I don't see any problems porting it to different
 compiler/system as long as it supports the C99 standard.
 
+
 ### The application
 
 The purpose of the application is mainly to illustrate the weird possibilities
-of the C preprocessor, than to be a full featured console mode Mandelbrot
+of the C preprocessor, rather than to be a full featured console mode Mandelbrot
 drawer. There are tools much better suited for drawing fractals.
 
 The usage of recognizable elements from the C programming language in the
@@ -98,6 +116,7 @@ is to modify the source code at the indicated location: the line
 that the adventurous programmer can manually modify the coordinates of the
 fractal to be drawn on the screen.
 
+
 ### Compiler warnings
 
 Yes, unfortunately there are compiler warnings of the kind "initialization makes
diff --git a/2014/deak/prog.alt.c b/2014/deak/prog.alt.c
index 2e7692977..cd110ebd4 100644
--- a/2014/deak/prog.alt.c
+++ b/2014/deak/prog.alt.c
@@ -1,6 +1,18 @@
 #include <stdio.h>
-double                                 _[]={-2
-,1,-1.3                ,1.3,  0,         0,0,0
+#ifndef X1
+#define X1 -2
+#endif
+#ifndef X2
+#define X2 1
+#endif
+#ifndef Y1
+#define Y1 -1.3
+#endif
+#ifndef Y2
+#define Y2 1.3
+#endif
+double                                 _[]={X1
+,X2,Y1                ,Y2,  0,           0,0,0
 ,0               ,0,50, 80,     0,0,0     ,255
 ,               8,0};    int      main       (
 	       int j) {if (j==  1 ){ if(
diff --git a/thanks-for-fixes.md b/thanks-for-fixes.md
index b6165d3b9..797dece68 100644
--- a/thanks-for-fixes.md
+++ b/thanks-for-fixes.md
@@ -3670,17 +3670,20 @@ details).
 
 ## [2014/deak](2014/deak/prog.c) ([README.md](2014/deak/README.md))
 
-[Cody](#cody) fixed the code that the author provided which would be what the program
-would look like if, as the author put it:
+[Cody](#cody) added [alt code](2014/deak/README.md#alternate-code) that lets one
+reconfigure the coordinates but instead of being a modified version of the entry
+it is the version the author provided which would be what the program would look
+like if, as the author put it:
 
 > The usage of recognizable elements from the C programming language in the
-application source code is intentionally kept to a bare minimum. If this phrase
-would not be true, the application would be the following:
+application source code is intentionally kept to a bare minimum.
 
-It did not compile because a value was left off the `return` statement.
+.. was not true.
 
-Cody added this as alternate code just for fun and so one can more easily see
-the difference to really appreciate the obfuscation.
+This alt version did not originally compile because a value was left off the
+`return` statement (this might have been fixed in the README.md file too) so
+that was fixed and it also has `#include <stdio.h>` for `putchar(3)`. The
+`#ifndef..#define..#endif` was not part of the original alt code, of course.
 
 
 ## [2014/endoh1](2014/endoh1/prog.c) ([README.md](2014/endoh1/README.md]))