New functionality: mod and modlast directives in repeat and rep.

* eval.c (eval_init): Use new symbol variable mod_s instead
of calling intern.

* match.c (mod_s, modlast_s): Symbol variables defined.
(do_output_line): mod and modlast directives implemented under rep.
(do_output): likewise under repeat.
(syms_init): Initialize new symbol variables.

* match.h (mod_s, modlast_s): Declared.

* parser.l (MOD, MODLAST): Parse new token types.

* parser.y (MOD, MODLAST): New tokens.
(repeat_parts_opt, rep_parts_opt): New syntax.
(repeat_rep_helper): Handle mod and modlast syntax.

* txr.1: Updated.

* txr.vim: Updated.

1 files changed, 1 insertions, 1 deletions

diff --git a/match.h b/match.h
index 8d8e9476..55deef7a 100644
--- a/match.h
+++ b/match.h
@@ -24,7 +24,7 @@
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-extern val text_s, choose_s, gather_s, do_s;
+extern val text_s, choose_s, gather_s, do_s, mod_s, modlast_s;
 val format_field(val string_or_list, val modifier, val filter);
 val match_funcall(val name, val arg, val other_args);
 int extract(val spec, val filenames, val bindings);