New function: str-esc.

* lib.[ch] (str_esc): New function.

* eval.c (eval_init): str-esc intrinsic registered.

* tests/015/esc.tl: New file.

* txr.1: Documented.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib.h b/lib.h
index c7e4165d..911fb3e8 100644
--- a/lib.h
+++ b/lib.h
@@ -1077,6 +1077,7 @@ val tokn(val count, val tok_regex, val arg1, val arg2);
 val tok_where(val str, val tok_regex);
 val list_str(val str);
 val trim_str(val str);
+val str_esc(val escset, val escchr, val str);
 val cmp_str(val astr, val bstr);
 val str_eq(val astr, val bstr);
 val str_lt(val astr, val bstr);