From 477b082c859a0fae754ea6d2181525853c632879 Mon Sep 17 00:00:00 2001
From: Seth Heeren <zfs-fuse@sehe.nl>
Date: Fri, 14 Dec 2012 23:55:42 +0100
Subject: [PATCH] Fix escape removal in SubstituteLexer

This fixes subsitutions like
:s/\\/\\\\/g
:s/\\t/\\t/g
---
 vex/parsers/s_cmd.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/vex/parsers/s_cmd.py b/vex/parsers/s_cmd.py
index e218456..2538beb 100644
--- a/vex/parsers/s_cmd.py
+++ b/vex/parsers/s_cmd.py
@@ -36,13 +36,13 @@ def _match_pattern(self):
             if self.c == '\\':
                 buf.append(self.c)
                 self.consume()
-                if self.c in '\\':
-                    # Don't store anything, we're escaping \.
-                    self.consume()
-                elif self.c == self.delimiter:
+                if self.c == self.delimiter:
                     # Overwrite the \ we've just stored.
                     buf[-1] = self.delimiter
                     self.consume()
+                if self.c in '\\':
+                    buf.append(self.c) # BUGFIXED: still need to escape \ in python regex!
+                    self.consume()
 
                 if self.c == EOF:
                     break