change image locations

site-src/codex.wtn

@@ -9,6 +9,7 @@ Codex serves two purposes. It's a place for me to put my knowledge as well as a
 place for me to write about topics I find interesting.
 
 It uses a simple {writan formatting language} to generate its pages. The
-formatter is written in C99 and POSIX shell to remain portable across systems.
+formatter is written in {c C99} and POSIX shell to remain portable across
+systems.
 
 {https://tildegit.org/opfez/codex Source}

site-src/dithering.wtn

@@ -1,7 +1,7 @@
-* Dithering
-
 $img lain-bear.png
 
+* Dithering
+
 Dithering is the act of reducing an image's palette by different means. It is a
 common way to reduce file sizes.
 

site-src/lambda-calculus.wtn

@@ -1,7 +1,7 @@
-* Lambda calculus
-
 $img lambda.png
 
+* Lambda calculus
+
 The lambda calculus is a formal system for expressing computation using function
 application and abstraction invented by Alonzo Church in the 1930s. It is a
 universal model of computation.

site-src/language.wtn

@@ -5,4 +5,6 @@ thought.
 
 {norwegian} — Notes on Norwegian, my mother tongue
 
+{english} — My preferred English writing style
+
 {russian} — Notes on Russian

site-src/lisp.wtn

@@ -58,6 +58,18 @@ An example in Common Lisp:
   1 2)
 ``
 
+** Other
+
+Follows is an implementation of the average function in Scheme. Because of the
+homoiconicity of the language, it is rather elegant in my opinion.
+
+``
+(define average
+  (lambda xs
+    (/ (apply + xs)
+       (length xs))))
+``
+
 {https://tildegit.org/opfez/lisp-hacks Various Common Lisp hacks}
 {http://www.phyast.pitt.edu/~micheles/syntax-rules.pdf JRM's syntax-rules primer
 for the merely eccentric}

site-src/norwegian.wtn

@@ -1,7 +1,7 @@
-* Norwegian
-
 $img kershus.jpg
 
+* Norwegian
+
 Norwegian is a North Germanic language.
 
 ** Bokmål and New Norwegian

site-src/notes.wtn

@@ -0,0 +1,13 @@
+* Notes
+
+These are ideas for articles in this wiki I need to flesh out before adding.
+
+** Time format
+
+Week-oriented. 52 weeks in a year. Fits nicely into uppercase and lowercase
+letters (26 letters * 2). Index into each week with numbers?
+
+So 1a is the first day of the first week, 2B is the second day of the 28th week,
+etc.
+
+What should be done with leap years/(final/first) day of the year?

site-src/visual-snow.wtn

@@ -1,7 +1,7 @@
-* Visual snow
-
 $img visual-snow.gif
 
+* Visual snow
+
 Visual snow is a visual impairment which makes those affected see black, white
 or coloured semi-transparent dots in part of or the whole visual field. The
 effect tends to be more prevalent at lower light levels. Additional symptoms