dnl modern.m4: a modern and simple framework for using the m4 macro language
dnl
dnl This file is covered by COPYING.SOFORT.
dnl
dnl 1) make all standard m4 builtins m4_ prefixed.
dnl 2) set the left-bracket and right-bracket symbols the begin-quote and end-quote strings.
dnl 3) make a single underscore symbol the equivalent of the standard dnl builtin.
dnl
divert(-1)

define(m4_changecom,defn(`changecom'))
define(m4_changequote,defn(`changequote'))
define(m4_decr,defn(`decr'))
define(m4_define,defn(`define'))
define(m4_defn,defn(`defn'))
define(m4_divert,defn(`divert'))
define(m4_divnum,defn(`divnum'))
define(m4_dnl,defn(`dnl'))
define(m4_dumpdef,defn(`dumpdef'))
define(m4_errprint,defn(`errprint'))
define(m4_eval,defn(`eval'))
define(m4_ifdef,defn(`ifdef'))
define(m4_ifelse,defn(`ifelse'))
define(m4_include,defn(`include'))
define(m4_incr,defn(`incr'))
define(m4_index,defn(`index'))
define(m4_len,defn(`len'))
define(m4_m4exit,defn(`m4exit'))
define(m4_m4wrap,defn(`m4wrap'))
define(m4_maketemp,defn(`maketemp'))
define(m4_mkstemp,defn(`mkstemp'))
define(m4_popdef,defn(`popdef'))
define(m4_pushdef,defn(`pushdef'))
define(m4_shift,defn(`shift'))
define(m4_sinclude,defn(`sinclude'))
define(m4_substr,defn(`substr'))
define(m4_syscmd,defn(`syscmd'))
define(m4_sysval,defn(`sysval'))
define(m4_traceoff,defn(`traceoff'))
define(m4_traceon,defn(`traceon'))
define(m4_translit,defn(`translit'))
define(m4_undefine,defn(`undefine'))
define(m4_undivert,defn(`undivert'))

m4_changequote([,])
m4_define(_,defn([m4_dnl]))

m4_undefine([changecom])
m4_undefine([changequote])
m4_undefine([decr])
m4_undefine([define])
m4_undefine([defn])
m4_undefine([divert])
m4_undefine([divnum])
m4_undefine([dnl])
m4_undefine([dumpdef])
m4_undefine([errprint])
m4_undefine([eval])
m4_undefine([ifdef])
m4_undefine([ifelse])
m4_undefine([include])
m4_undefine([incr])
m4_undefine([index])
m4_undefine([len])
m4_undefine([m4exit])
m4_undefine([m4wrap])
m4_undefine([maketemp])
m4_undefine([mkstemp])
m4_undefine([popdef])
m4_undefine([pushdef])
m4_undefine([shift])
m4_undefine([sinclude])
m4_undefine([substr])
m4_undefine([syscmd])
m4_undefine([sysval])
m4_undefine([traceoff])
m4_undefine([traceon])
m4_undefine([translit])
m4_undefine([undefine])
m4_undefine([undivert])

m4_divert(0)_