--- a/.bashrc	Tue Nov 08 16:00:08 2011 +0200
+++ b/.bashrc	Tue Nov 08 23:20:39 2011 +0200
@@ -3,7 +3,7 @@
 # set -u
 
 # XXX
-# [ -f /etc/bashrc ] && . /etc/bashrc
+# [[ -f /etc/bashrc ]] && . /etc/bashrc
 
 # XXX for mc, cvs, svn, ...
 export EDITOR=vim
@@ -21,7 +21,7 @@
   ;;
 esac
 
-# if [ -f ~/.dircolors ]; then
+# if [[ -f ~/.dircolors ]]; then
 #   eval `dircolors -b ~/.dircolors`
 # fi
 
@@ -125,7 +125,7 @@
 
 # Special case for CYGWIN to properly display russian letters in rxvt.
 # Don't forget set in Windows SHELL=/bin/bash. If default SHELL is sh then .bashrc will not be read.
-if [ x$OSTYPE = xcygwin ]; then
+if [[ x$OSTYPE = xcygwin ]]; then
   export LANG=ru_RU.CP1251
   # Avoid permission problem in Cygwin.
   umask 0000
@@ -133,13 +133,13 @@
 
 export PATH=$PATH:~/usr/bin
 
-if [ -z "$MANPATH" ]; then
+if [[ -z "$MANPATH" ]]; then
   export MANPATH=~/usr/share/man:
 else
   export MANPATH=$MANPATH:~/usr/share/man:
 fi
 
-if [ -z "$INFOPATH" ]; then
+if [[ -z "$INFOPATH" ]]; then
   export INFOPATH=~/usr/share/info:
 else
   export INFOPATH=$INFOPATH:~/usr/share/info: