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-rw-r--r--eval.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/eval.c b/eval.c
index 6024c60b..d97f0cfd 100644
--- a/eval.c
+++ b/eval.c
@@ -1280,17 +1280,24 @@ static val subst_vars(val forms, val env)
val modifiers = fourth(form);
val str = eval(expr, env, form);
+ /* If the object is a list, we let format_field deal with the
+ conversion to text, because the modifiers influence how
+ it is done. */
if (!stringp(str) && !listp(str))
- str = format(nil, lit("~a"), str, nao);
+ str = tostringp(str);
- if (pat)
+ if (pat) {
forms = cons(str, cons(pat, rest(forms)));
- else if (modifiers)
+ } else if (modifiers) {
forms = cons(format_field(str, modifiers, nil,
curry_123_1(func_n3(eval), env, form)),
rest(forms));
- else
+ } else {
+ if (listp(str))
+ str = cat_str(mapcar(func_n1(tostringp), str), lit(" "));
forms = cons(str, rest(forms));
+ }
+
continue;
} else if (sym == quasi_s) {
val nested = subst_vars(rest(form), env);
@@ -1298,8 +1305,12 @@ static val subst_vars(val forms, val env)
forms = cdr(forms);
continue;
} else if (sym == expr_s) {
- val result = eval(rest(form), env, form);
- forms = cons(format(nil, lit("~a"), result, nao), rest(forms));
+ val str = eval(rest(form), env, form);
+ if (listp(str))
+ str = cat_str(mapcar(func_n1(tostringp), str), lit(" "));
+ else if (!stringp(str))
+ str = tostringp(str);
+ forms = cons(str, rest(forms));
continue;
} else {
val nested = subst_vars(form, env);