Add future work note about unions in token type, and add
regexes.txt file for historical tracking.
diff --git a/regexes.txt b/regexes.txt
new file mode 100644
index 0000000..4b4a208
--- /dev/null
+++ b/regexes.txt
@@ -0,0 +1,48 @@
+
+/* A */ => // A
+
+ %s/\/\* \(.*\) \*\//\/\/ \1/gc
+
+A; [// B] => A [// B]
+
+ %s/;[ \t]*\( \\/ .*\)\?$/\1/gc
+
+type [*]name => name [*]type
+
+ %s/\(\%(\%(const\|unsigned\) \)\?\%(yaml_[a-z_]*_t\|\<int\>\|\<char\>\|\<size_t\>\)\) \(\**\)\([a-z_]\+\)/\3 \2\1/gc
+
+if (A) return B => if A { return B }
+
+ %s/if (\(.*\)) return \([^ ]\+\)$/if \1 { return \2 }/gc
+
+if (A) { => if A {
+
+ %s/if (\(.*\)) {$/if \1 {/gc
+
+if (A)\n{\n => if A {\n
+
+ %s/\([ \t\/]*\)\(else\|if\)\( \)(\([^{]\+\))\n[ \t\/]*{$/\1\2\3\4 {/gc
+
+if (A)\nB => if A {\nB\n}
+
+ %s/^\([ \t]*\/\/\)\?\( *\)if (\(.*\))\n\(.*\)/\1\2if \3 {^M\4^M\1\2}/gc
+
+if (A\nB) { => if A\nB {
+
+ %s/\(if\|for\) (\(\_[^{]\+\)) {/\1 \2 {/gc
+
+}\nelse\n{ => } else {
+
+ %s/^\([ \t\/]*\)}\([ \t\/\n]*\)\n\1else\(\n\1\| \){/\1} else {/gc
+
+}\nelse if => } else if
+
+ %s/^\([ \t\/]*\)}\([ \t\/\n]*\)\n\1else if/\1} else if/gc
+
+//static int\nyaml_*)\n//{ => //func yaml_*) bool {
+
+ %s/^\/\/\(static int\|YAML_DECLARE(int)\)\n\/\/\(yaml_\([^{]\+\n\?\)\+)\)\n\/\/{/\/\/func \2 bool {/gc
+
+IS_X_AT => is_x
+
+ %s/IS_BLANKZ_AT(parser.buffer, \([0-9]\))/is_blankz(parser.buffer, parser.buffer_pos+\1)/
diff --git a/yaml_h.go b/yaml_h.go
index 1e95b96..eb8931c 100644
--- a/yaml_h.go
+++ b/yaml_h.go
@@ -196,6 +196,10 @@
// The token data.
+ // [Go] These structs should all be flattened onto the outer
+ // struct, as many of them are naturally shared among the various
+ // token types. This will reduce the impact of the lack of a union.
+
// The stream start (for yaml_STREAM_START_TOKEN).
stream_start struct {
encoding yaml_encoding_t // The stream encoding.
