m4 ChangeLog doc/m4.texinfo m4/input.c m4/m4mod...

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      07/05/28 21:48:42

Modified files:
        .              : ChangeLog 
        doc            : m4.texinfo 
        m4             : input.c m4module.h m4private.h macro.c output.c 
        src            : freeze.c 

Log message:
        Fix sync line interaction with multiline comments.
        * doc/m4.texinfo (Preprocessor features): Improve documentation.
        (Syncoutput): Improve testsuite.
        (Incompatibilities): Add testcase, and document bug.
        * src/freeze.c (reload_frozen_state): Don't interfere with
        synclines when reloading state.
        * m4/input.c (m4__next_token): Report line where multiline tokens
        start.
        * m4/m4private.h (m4__token_type): Add parameter.
        * m4/m4module.h (m4_output_text): Export.
        (m4_shipout_text): Add parameter.
        * src/macro.c (m4_macro_expand_input, expand_token)
        (expand_argument): Adjust callers so that line is passed from
        input to output.
        * m4/output.c (output_text): Rename...
        (m4_output_text): ...to this, and export.
        (m4_insert_file, insert_diversion_helper): Update callers.
        (m4_shipout_text): Take new parameter for start line of token.
        Output at most one syncline per token.
        Reported by Sergey Poznyakoff.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&r1=1.522&r2=1.523
http://cvs.savannah.gnu.org/viewcvs/m4/doc/m4.texinfo?cvsroot=m4&r1=1.103&r2=1.104
http://cvs.savannah.gnu.org/viewcvs/m4/m4/input.c?cvsroot=m4&r1=1.65&r2=1.66
http://cvs.savannah.gnu.org/viewcvs/m4/m4/m4module.h?cvsroot=m4&r1=1.107&r2=1.108
http://cvs.savannah.gnu.org/viewcvs/m4/m4/m4private.h?cvsroot=m4&r1=1.79&r2=1.80
http://cvs.savannah.gnu.org/viewcvs/m4/m4/macro.c?cvsroot=m4&r1=1.67&r2=1.68
http://cvs.savannah.gnu.org/viewcvs/m4/m4/output.c?cvsroot=m4&r1=1.43&r2=1.44
http://cvs.savannah.gnu.org/viewcvs/m4/src/freeze.c?cvsroot=m4&r1=1.65&r2=1.66