fix dollar handling in func_quote_for_expand [libtool--release--2.0--patch-33]

[Gary V. Vaughan]

Tree version:   address@hidden/libtool--release--2.0
CVSROOT:        /cvsroot/libtool
TIMESTAMP:       1.1667.2.33 2004/10/20 20:50:52
Module name:    /cvsroot/libtool/libtool
Branch:         branch-2-0
Changes by:     address@hidden

Log Message:
        
        * config/general.m4sh (sed_double_backslash): New sed expression
        to escape $ properly in combination with double_quote_subst.
        (func_quote_for_eval): Four space indent margin for functions!
        (func_quote_for_expand): Use $sed_double_backslash.
        (func_show_eval): New function that echos an escaped but variable
        expanded command, and then evaluates it.
-- 
Gary V. Vaughan      ())_.  address@hidden,gnu.org}
Research Scientist   ( '/   http://tkd.kicks-ass.net
GNU Hacker           / )=   http://www.gnu.org/software/libtool
Technical Author   `(_~)_   http://sources.redhat.com/autobook
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