Update 2004/sds

Updated try section (updated .gitignore for this).

Updated Makefile to let encoder.c compile (that's the generated file)
via make.

Format fixes and typo fixes.

Add INABIAF to bugs.md and the README.md file about this entry (the
generated code).

bugs.md

@@ -272,8 +272,9 @@ The archive website will tell you if the link was never captured.
 
 Entries with this status should NOT be touched (unless they have another status
 that suggests that _that_ issue can be changed): they are system specific by
-design or are other things that are not actually bugs even if they appear to be.
-But are noteworthy nonetheless.
+design or are other things that are not actually bugs or bugs even if they
+appear to be. Or they might be documented bugs or things that simply are part of
+the entry. Nonetheless they are noteworthy.
 
 NOTE: the definition of this status changed over time. At one point it was when
 something was noted by the author, the judges, a consequence of earlier
@@ -1080,6 +1081,12 @@ gavin_files: boot.b lilo.conf prim gavin_install.txt
 The current ([Makefile](2004/gavin/Makefile) was modified to try and
 fit into the current IOCCC build environment.
 
+## [2004/sds](2004/sds/sds.c) ([README.md](2004/sds/README.md))
+## STATUS: INABIAF - please **DO NOT** fix
+
+The generated code will very likely segfault or do something not intended if not
+given the right args. See the README.md file for the correct syntax.
+
 
 # 2005