all: misc updates

.github/typos_config.toml

@@ -4,7 +4,7 @@
 # tricky, so some false positives are fine
 
 [files]
-extend-exclude = ["LICENSE", "misc/*/packages.txt"]
+extend-exclude = ["LICENSE", "misc/*/packages.txt", "misc/*/*/packages.txt"]
 
 [default.extend-identifiers]
 # misc variable names & symbols
@@ -13,7 +13,10 @@ ba = "ba"
 fo = "fo"
 fof = "fof"
 O_WRONLY = "O_WRONLY"
+# clang-analyzer-optin.cplusplus
+optin = "optin"
 sidelen = "sidelen"
+tpos = "tpos"
 # assembly sources
 CArry = "CArry"
 hda = "hda"