reformat some of the changelog

TODO

@@ -15,8 +15,6 @@ update website text
 
 = Later general tasks:
 
-----
-
 docs
 
 add to website: pretty printed tpch, maybe other queries as
@@ -118,7 +116,7 @@ X'
 U&' ?
 looks like two string literals separated by any whitespace are
      merged, which isn't what the postgres manual claims is the standard
-plus something introducer, character set thing
+  plus something introducer, character set thing
 union join?
 corresponding by
 from in substring is not optional in ansi
@@ -139,7 +137,6 @@ clob type: CLOB(4M) - M suffix on the precision
 array element reference a[4]
 regular expression substring function
 between symmetric
-match predicate
 unicode delimited identifier
 character set postfix type op for string types + collate on string types
 next value for
@@ -151,7 +148,7 @@ table sample
 unnest
 only
 window frame exclusion: complete window support?
-select t.* as (a,b,c) from t ??
+select t.* as (a,b,c) from t
 search or cycle clause for ctes
 normalized
 

changelog

@@ -5,12 +5,14 @@
 	rename OrderField to SortSpec
 	rename InThing to InPredValue
 	add support for ? for parameterized queries
-	add new syntax for special operators whose syntax is a bit like
-	named parameters
-	add parsing for special syntax functions: position, convert,
+	add new abstract syntax for special operators whose concrete
+	  syntax is a kind of limited named parameters syntax
+	add more parsing for these operators: position, convert,
 	  translate, overlay, trim, and improve the substring parsing
 	add support for multi keyword type names
-	   previously double precision and character varying
+	   previously:
+	     double precision
+	     character varying
 	   now:
 	     double precision,
 	     character varying,