Clarify the syntax rules for raw tsvector input.

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 5bdb06070b64219f81630557a6bd76bd9b0da5e6..c67c6268556776714f30786abac2132272a11dc0 100644 (file)
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -1,4 +1,4 @@
-
+
 
  
   Data Types
@@ -3282,7 +3282,7 @@ SELECT 'a fat cat sat on a mat and ate a fat rat'::tsvector;
 
      (As the example shows, the sorting is first by length and then
      alphabetically, but that detail is seldom important.)  To represent
-     lexemes containing whitespace, surround them with quotes:
+     lexemes containing whitespace or punctuation, surround them with quotes:
 
 
 SELECT $$the lexeme '    ' contains spaces$$::tsvector;
@@ -3293,7 +3293,7 @@ SELECT $$the lexeme '    ' contains spaces$$::tsvector;
 
      (We use dollar-quoted string literals in this example and the next one,
      to avoid confusing matters by having to double quote marks within the
-     literals.)  Embedded quotes can be handled by doubling them:
+     literals.)  Embedded quotes and backslashes must be doubled:
 
 
 SELECT $$the lexeme 'Joe''s' contains a quote$$::tsvector;