From cdc5478fa9a194fd37e0a4a9e2816285e307d402 Mon Sep 17 00:00:00 2001
From: hhsprings <xwhhsprings@gmail.com>
Date: Mon, 9 Nov 2015 17:34:26 +0900
Subject: The { is not required. See `comment-11592775
 <https://bitbucket.org/birkenfeld/pygments-main/pull-requests/517/add-lexers-for-pkg-config-pacmanconf/diff#comment-11592775>`_.

---
 pygments/lexers/configs_pkgmng.py       | 6 ++----
 tests/examplefiles/pkgconfig_example.pc | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/pygments/lexers/configs_pkgmng.py b/pygments/lexers/configs_pkgmng.py
index 1c5e6f99..5012930f 100644
--- a/pygments/lexers/configs_pkgmng.py
+++ b/pygments/lexers/configs_pkgmng.py
@@ -9,8 +9,6 @@
     :license: BSD, see LICENSE for details.
 """
 
-import re
-
 from pygments.lexer import RegexLexer, bygroups, include, words
 from pygments.token import Text, Comment, Operator, Name, \
     Punctuation, String, Keyword
@@ -51,8 +49,8 @@ class PkgConfigLexer(RegexLexer):
             (r'.', Text),
         ],
         'interp': [
-            # you can escape literal "${" as "$${"
-            (r'\$\$\{', Text),
+            # you can escape literal "$" as "$$"
+            (r'\$\$', Text),
 
             # variable references
             (r'\$\{', String.Interpol, 'curly'),
diff --git a/tests/examplefiles/pkgconfig_example.pc b/tests/examplefiles/pkgconfig_example.pc
index b7969bad..2a59204e 100644
--- a/tests/examplefiles/pkgconfig_example.pc
+++ b/tests/examplefiles/pkgconfig_example.pc
@@ -3,7 +3,7 @@ prefix=/usr/local/opt/site/private # define variable `prefix`
 exec_prefix=${prefix} # using variable reference
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include
-just_for_test=$${this is not a part of variable reference} # escape with `$${`
+just_for_test=$${this is not a part of variable reference} # escape with `$$`
 
 Name: YAPHatchPotchGen
 Description: Yet Another Portable HatchPotch GENerator.
-- 
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