psql can receive many backslash commands on the same line

2 files changed, 7 insertions, 1 deletions

diff --git a/pygments/lexers/postgres.py b/pygments/lexers/postgres.py
index e99630fd..8aeab3b8 100644
--- a/pygments/lexers/postgres.py
+++ b/pygments/lexers/postgres.py
@@ -99,7 +99,7 @@ class PostgresLexer(RegexLexer):
             (r'(?ms)(\$[^\$]*\$)(.*?)(\1)', language_callback),
             (r'[a-zA-Z_][a-zA-Z0-9_]*', Name),
 
-            # TODO: consider splitting the regex parser
+            # TODO: consider splitting the psql parser
             (r'\\[^\s]+', Keyword.Pseudo, 'psql-command'),
             # psql variable in SQL
             (r""":(['"]?)[a-z][a-z0-9_]*\b\1""", Name.Variable),
@@ -115,6 +115,7 @@ class PostgresLexer(RegexLexer):
         'psql-command': [
             (r'\n', Text, 'root'),
             (r'\s+', Text),
+            (r'\\[^\s]+', Keyword.Pseudo),
             (r""":(['"]?)[a-z][a-z0-9_]*\b\1""", Name.Variable),
             (r"'(''|[^'])*'", String.Single),
             (r"`([^`])*`", String.Backtick),
diff --git a/tests/examplefiles/psql_session.txt b/tests/examplefiles/psql_session.txt
index 5a2897c6..289aa775 100644
--- a/tests/examplefiles/psql_session.txt
+++ b/tests/examplefiles/psql_session.txt
@@ -4,6 +4,11 @@ LINE 1: select foo;
                ^
 regression=# \q
 
+peter@localhost testdb=> \a \t \x
+Output format is aligned.
+Tuples only is off.
+Expanded display is on.
+
 regression=# select '\x';
 WARNING:  nonstandard use of escape in a string literal
 LINE 1: select '\x';