Update todo-list

Author: cdlm

TODO.markdown

@@ -1,15 +1,11 @@
 Things left to implement or fix
 ===============================
 
-- fonts & layout of the lists of X
-- merge list of figures/tables
-- list of code examples
-- captions of code example should match the other floats
 - whole book / per chapter compilation
 - book/part title pages
 - colophon, foreword...
 - hint paragraphs with fontawesome icons (or floats)
 - check with LuLu about Distiller b0rking ligatures and vector illustrations
-- align captions to margin
-- number listings & floats as chap.letter (linearly in whole chapter, bypassing sections)
-- float listings ?
+- normal floats for listings: normal label/caption, and use displaycode
+  environments inside. This would enable to group several small listings in
+  succession under a single caption, e.g. related Smalltalk methods…