-.SH "INSTALLATION"
-.LP
-This program requires GTK+ 2.6.x or higher to be compiled.
-.LP
-Please make sure that gtk\-devel and glib\-devel (or similar) packages are
-installed before the compilation (you may also require flex (lex) and bison
-(yacc)).
-.LP
-To compile and install, just type:
-.LP
-% ./configure
-.br
-% make
-.br
-% su
-.br
-Password: [Enter password]
-.br
-# make install
-.LP
-Refer to ./configure \-\-help for further information.
+.TP
+\fB\-\-alternate\-config\-dir [dir]\fR
+start Claws Mail with the configuration stored in [dir] directory
+
+.SH "ENVIRONMENT"
+.LP
+.TP
+\fBLC_ALL\fR
+.TP
+\fBLC_CTYPE\fR
+.TP
+\fBLANG\fR
+locale to use for non-win32 systems (the first one not empty is used)
+.TP
+\fBSSL_CERT_FILE\fR
+use this CA certificates file instead of searching known system files
+.TP
+\fBSSL_CERT_DIR\fR
+use this CA certificates directory instead known system directories
+.TP
+\fBPOSIXLY_CORRECT\fR
+if defined regular expressions matching follows POSIX standards
+.TP
+\fBHOME\fR
+full path of the user's home directory
+.TP
+\fBCLAWS_NO_CRASH\fR
+if defined disables crash dialog (only if Claws Mail has been built with
+crash dialog feature enabled)
+.TP
+\fBG_BROKEN_FILENAMES\fR
+assumes that filenames are in the locale encoding rather than in UTF-8
+.TP
+\fBPILOT_CHARSET\fR
+if defined overrides default J-Pilot charset (CP1252)
+.TP
+\fBSESSION_MANAGER\fR
+if defined tries to use the Session Manager (only if Claws Mail has been
+built with libSM feature enabled)
+.TP
+\fBDISPLAY\fR
+default host and display number to use
+.TP
+\fBGPG_AGENT_INFO\fR
+the information to access the GPG agent if using GPG agent is enabled in
+GPG plugin preferences (this is usually set by the agent when launched,
+otherwise it likely means the GPG agent is not running)
+.TP
+\fBSHELL\fR
+if defined overrides default shell "sh" used by Spamassassin plugin to
+launch spamc wrappers
+
+.SH "BUGS"
+.LP
+.TP
+You can search for existing bugs and report new ones on Claws Mail bugzilla:
+.br
+<http://www.thewildbeast.co.uk/claws-mail/bugzilla/>
+
+.SH "COPYRIGHT"
+.LP
+.TP
+1999-2012 Hiroyuki Yamamoto and the Claws Mail team
+