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-rw-r--r--src/libexpr/eval.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index 49aeb0036..8c8bb219b 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -804,9 +804,12 @@ string EvalState::coerceToString(Value & v, PathSet & context,
if (v.type == tList) {
string result;
for (unsigned int n = 0; n < v.list.length; ++n) {
- if (n) result += " ";
result += coerceToString(v.list.elems[n],
context, coerceMore, copyToStore);
+ if (n < v.list.length - 1
+ /* !!! not quite correct */
+ && (v.list.elems[n].type != tList || v.list.elems[n].list.length != 0))
+ result += " ";
}
return result;
}