* arith.c (plus, minus): Better wording in error messages.

* eval.c (dwim_loc): Assignments to string indices and ranges
supported. New arguments for this purpose.
(op_modplace): Use new dwim_loc interface for returned value.
(op_dwim): Support assignment to string ranges.
(eval_init): replace_str registered.

* lib.c (string_extend): If the argument is a number, let it
specify the amount by which to extend the string.
(replace_str): New function.

* lib.h (replace_str): Declared.

* txr.1: Updated.

* txr.vim: Updated.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib.h b/lib.h
index f079dd25..3b03d7d2 100644
--- a/lib.h
+++ b/lib.h
@@ -420,6 +420,7 @@ val length_str(val str);
 const wchar_t *c_str(val str);
 val search_str(val haystack, val needle, val start_num, val from_end);
 val search_str_tree(val haystack, val tree, val start_num, val from_end);
+val replace_str(val str_in, val from, val to, val items);
 val sub_str(val str_in, val from_num, val to_num);
 val cat_str(val list, val sep);
 val split_str(val str, val sep);