diff --git a/uppsrc/Core/src.tpp/Util_en-us.tpp b/uppsrc/Core/src.tpp/Util_en-us.tpp
index 13554f789..75b4ff00d 100644
--- a/uppsrc/Core/src.tpp/Util_en-us.tpp
+++ b/uppsrc/Core/src.tpp/Util_en-us.tpp
@@ -1,5 +1,4 @@
 topic "Utilities";
-[2 $$0,0#00000000000000000000000000000000:Default]
 [i448;a25;kKO9;2 $$1,0#37138531426314131252341829483380:class]
 [l288;2 $$2,2#27521748481378242620020725143825:desc]
 [0 $$3,0#96390100711032703541132217272105:end]
@@ -9,9 +8,22 @@ topic "Utilities";
 [l288;i1121;b17;O9;~~~.1408;2 $$7,0#10431211400427159095818037425705:param]
 [i448;b42;O9;2 $$8,8#61672508125594000341940100500538:tparam]
 [b42;2 $$9,9#13035079074754324216151401829390:normal]
+[2 $$0,0#00000000000000000000000000000000:Default]
 [{_} 
 [ {{10000@(113.42.0) [s0;%% [*@7;4 Utilities]]}}&]
 [s3; &]
+[s5;:Upp`:`:NormalizeSpaces`(const char`*`): Upp[@(0.0.255) `::]String 
+[* NormalizeSpaces]([@(0.0.255) const] [@(0.0.255) char] [@(0.0.255) `*][*@3 s])&]
+[s5;:Upp`:`:NormalizeSpaces`(const char`*`,const char`*`): Upp[@(0.0.255) `::]String 
+[* NormalizeSpaces]([@(0.0.255) const] [@(0.0.255) char] [@(0.0.255) `*][*@3 s], 
+[@(0.0.255) const] [@(0.0.255) char] [@(0.0.255) `*][*@3 end])&]
+[s2;%% Normalizes spaces `- multiple spaces are replaced with just 
+one ASCII 32 character. Characters 0..32 are considered to be 
+spaces. Variant with [%-*@3 end] allows zero character in the string 
+which is considered a space. Single parameter variant expects 
+zero terminated string.&]
+[s3; &]
+[s4; &]
 [s5;:CsvString`(const String`&`): [_^String^ String]_[* CsvString]([@(0.0.255) const]_[_^String^ S
 tring][@(0.0.255) `&]_[*@3 text])&]
 [s2;%% Formats [%-*@3 text] for inclusion in [^http`:`/`/en`.wikipedia`.org`/wiki`/Comma`-separated`_values^ C
diff --git a/uppsrc/ide/DCopy.cpp b/uppsrc/ide/DCopy.cpp
index bc30cb8ec..9d7be454c 100644
--- a/uppsrc/ide/DCopy.cpp
+++ b/uppsrc/ide/DCopy.cpp
@@ -103,8 +103,8 @@ void AssistEditor::DCopy()
 					}
 				}
 				
-				auto Clean = [](String& s) { // this is ok to be slow (hence Join/Split)
-					s = Join(Split(TrimBoth(Filter(s, [](int c) { return c < 32 ? 32 : c; })), ' '), " ");
+				auto Clean = [](String& s) {
+					s = NormalizeSpaces((TrimBoth(Filter(s, [](int c) { return c < 32 ? 32 : c; }))));
 				};
 				
 				Clean(ret);
diff --git a/upptst/ide_alt_c/ide.cpp b/upptst/ide_alt_c/ide.cpp
index 47d06d8d8..2c7cb1f93 100644
--- a/upptst/ide_alt_c/ide.cpp
+++ b/upptst/ide_alt_c/ide.cpp
@@ -20,7 +20,7 @@ struct Foo {
 	std::vector<String> Bar2(const std::vector<Item>& price, String s);
 	std::vector<Change> Bar(const std::vector<Item>& price, String s);
 	std::vector<Foo::Change> Bar(const std::vector<std::vector<Item>>& price, String s);
-	std::vector<void (*)(int x, int y)> Bar(const std::vector<std::vector<Item>>& price, int x);
+	std::vector<void (*)(int x, int y)> Bar(const std::vector<std::vector<Item>>& price, int    x);
 
 	typedef void (*PaintHook)(String s);