diff --git a/src/asm/lexer.c b/src/asm/lexer.c
index f4a79355..7d2c96c1 100644
--- a/src/asm/lexer.c
+++ b/src/asm/lexer.c
@@ -717,19 +717,19 @@ static void freeExpansion(struct Expansion *expansion)
 
 static bool isMacroChar(char c)
 {
-	return c == '@' || c == '#' || c == '(' || (c >= '0' && c <= '9');
+	return c == '@' || c == '#' || c == '<' || (c >= '0' && c <= '9');
 }
 
-/* forward declarations for readParentheticMacroArgNum */
+/* forward declarations for readBracketedMacroArgNum */
 static int peek(void);
 static void shiftChar(void);
 static uint32_t readNumber(int radix, uint32_t baseValue);
 static bool startsIdentifier(int c);
 static bool continuesIdentifier(int c);
 
-static uint32_t readParentheticMacroArgNum(void)
+static uint32_t readBracketedMacroArgNum(void)
 {
-	dbgPrint("Reading parenthetic macro arg\n");
+	dbgPrint("Reading bracketed macro arg\n");
 	bool disableMacroArgs = lexerState->disableMacroArgs;
 	bool disableInterpolation = lexerState->disableInterpolation;
 
@@ -761,9 +761,9 @@ static uint32_t readParentheticMacroArgNum(void)
 		struct Symbol const *sym = sym_FindScopedSymbol(symName);
 
 		if (!sym)
-			fatalerror("Parenthetic symbol \"%s\" does not exist\n", symName);
+			fatalerror("Bracketed symbol \"%s\" does not exist\n", symName);
 		else if (!sym_IsNumeric(sym))
-			fatalerror("Parenthetic symbol \"%s\" is not numeric\n", symName);
+			fatalerror("Bracketed symbol \"%s\" is not numeric\n", symName);
 
 		num = sym_GetConstantSymValue(sym);
 	} else {
@@ -771,12 +771,12 @@ static uint32_t readParentheticMacroArgNum(void)
 	}
 
 	c = peek();
-	if (c != ')')
-		fatalerror("Invalid character in parenthetic macro argument %s\n", printChar(c));
+	if (c != '>')
+		fatalerror("Invalid character in bracketed macro argument %s\n", printChar(c));
 	else if (empty)
-		fatalerror("Empty parenthetic macro argument\n");
+		fatalerror("Empty bracketed macro argument\n");
 	else if (num == 0)
-		fatalerror("Invalid parenthetic macro argument '\\(0)'\n");
+		fatalerror("Invalid bracketed macro argument '\\<0>'\n");
 
 	shiftChar();
 
@@ -793,12 +793,12 @@ static char const *readMacroArg(char name)
 		str = macro_GetUniqueIDStr();
 	} else if (name == '#') {
 		str = macro_GetAllArgs();
-	} else if (name == '(') {
-		uint32_t num = readParentheticMacroArgNum();
+	} else if (name == '<') {
+		uint32_t num = readBracketedMacroArgNum();
 
 		str = macro_GetArg(num);
 		if (!str)
-			fatalerror("Macro argument '\\(%" PRIu32 ")' not defined\n", num);
+			fatalerror("Macro argument '\\<%" PRIu32 ">' not defined\n", num);
 	} else if (name == '0') {
 		fatalerror("Invalid macro argument '\\0'\n");
 	} else {
@@ -1569,7 +1569,7 @@ static void readString(void)
 			case '7':
 			case '8':
 			case '9':
-			case '(':
+			case '<':
 				shiftChar();
 				char const *str = readMacroArg(c);
 
@@ -1715,7 +1715,7 @@ static size_t appendStringLiteral(size_t i)
 			case '7':
 			case '8':
 			case '9':
-			case '(':
+			case '<':
 				shiftChar();
 				char const *str = readMacroArg(c);
 
diff --git a/src/asm/rgbasm.5 b/src/asm/rgbasm.5
index 7ad25e22..e9f5d9a3 100644
--- a/src/asm/rgbasm.5
+++ b/src/asm/rgbasm.5
@@ -1567,30 +1567,30 @@ The backslash in
 does not need to be escaped because string literals also work as usual inside macro arguments.
 .Pp
 Since there are only nine digits, you can only access the first nine macro arguments like this.
-To use the rest, you need to put the multi-digit argument number in parentheses, like
-.Ql \[rs](10) .
-This parenthetic syntax supports decimal numbers and numeric symbol names.
+To use the rest, you need to put the multi-digit argument number in angle brackets, like
+.Ql \[rs]<10> .
+This bracketed syntax supports decimal numbers and numeric symbol names.
 For example,
-.Ql \[rs](_NARG)
+.Ql \[rs]<_NARG>
 will get the last argument.
 .Pp
-Other macro arguments and symbol interpolations will be expanded inside the parentheses.
+Other macro arguments and symbol interpolations will be expanded inside the angle brackets.
 For example, if
 .Ql \[rs]1
 is
 .Ql 13 ,
 then
-.Ql \[rs](\[rs]1)
+.Ql \[rs]<\[rs]1>
 will expand to
-.Ql \[rs](13) .
+.Ql \[rs]<13> .
 Or if
 .Ql v10 = 42
 and
 .Ql x = 10 ,
 then
-.Ql \[rs](v{d:x})
+.Ql \[rs]<v{d:x}>
 will expand to
-.Ql \[rs](42) .
+.Ql \[rs]<42> .
 .Pp
 Another way to access more than nine macro arguments is the
 .Ic SHIFT
diff --git a/test/asm/bracketed-macro-args.asm b/test/asm/bracketed-macro-args.asm
new file mode 100644
index 00000000..b0ddce34
--- /dev/null
+++ b/test/asm/bracketed-macro-args.asm
@@ -0,0 +1,19 @@
+MACRO printargs
+	PRINTLN "first = \<1>"
+	FOR I, 2, _NARG
+		PRINTLN "next = \<{d:I}>"
+	ENDR
+	PRINTLN "last = \<{d:_NARG}>"
+ENDM
+
+	printargs A, B, C, D
+
+MACRO mac
+	println \<2__> + \<1_2> + \<\1>
+x = 2
+	println \<{d:x}> + \<1_{d:x}> + \<\<\<13>>>
+y equs "NARG"
+	println \<x> + \<1_{d:x}_> + \<\<\<_{y}>>>
+ENDM
+
+	mac 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 1
diff --git a/test/asm/parenthetic-macro-args.err b/test/asm/bracketed-macro-args.err
similarity index 100%
rename from test/asm/parenthetic-macro-args.err
rename to test/asm/bracketed-macro-args.err
diff --git a/test/asm/parenthetic-macro-args.out b/test/asm/bracketed-macro-args.out
similarity index 100%
rename from test/asm/parenthetic-macro-args.out
rename to test/asm/bracketed-macro-args.out
diff --git a/test/asm/invalid-empty-macro-arg.asm b/test/asm/invalid-empty-macro-arg.asm
index d334ed44..ddd6ec71 100644
--- a/test/asm/invalid-empty-macro-arg.asm
+++ b/test/asm/invalid-empty-macro-arg.asm
@@ -1 +1 @@
-\()
+\<>
diff --git a/test/asm/invalid-empty-macro-arg.err b/test/asm/invalid-empty-macro-arg.err
index 0ba77403..cee69fa9 100644
--- a/test/asm/invalid-empty-macro-arg.err
+++ b/test/asm/invalid-empty-macro-arg.err
@@ -1,2 +1,2 @@
 FATAL: invalid-empty-macro-arg.asm(1):
-    Empty parenthetic macro argument
+    Empty bracketed macro argument
diff --git a/test/asm/invalid-macro-arg-character.asm b/test/asm/invalid-macro-arg-character.asm
index 0b43ea90..8f21796f 100644
--- a/test/asm/invalid-macro-arg-character.asm
+++ b/test/asm/invalid-macro-arg-character.asm
@@ -1 +1 @@
-\(10!)
+\<10!>
diff --git a/test/asm/invalid-macro-arg-character.err b/test/asm/invalid-macro-arg-character.err
index 1153f5c8..f51c4e3d 100644
--- a/test/asm/invalid-macro-arg-character.err
+++ b/test/asm/invalid-macro-arg-character.err
@@ -1,2 +1,2 @@
 FATAL: invalid-macro-arg-character.asm(1):
-    Invalid character in parenthetic macro argument '!'
+    Invalid character in bracketed macro argument '!'
diff --git a/test/asm/invalid-macro-arg-symbol.asm b/test/asm/invalid-macro-arg-symbol.asm
index 76c9462c..9c63f56e 100644
--- a/test/asm/invalid-macro-arg-symbol.asm
+++ b/test/asm/invalid-macro-arg-symbol.asm
@@ -1 +1 @@
-\(foo)
+\<foo>
diff --git a/test/asm/invalid-macro-arg-symbol.err b/test/asm/invalid-macro-arg-symbol.err
index bebe2c40..cd03634a 100644
--- a/test/asm/invalid-macro-arg-symbol.err
+++ b/test/asm/invalid-macro-arg-symbol.err
@@ -1,2 +1,2 @@
 FATAL: invalid-macro-arg-symbol.asm(1):
-    Parenthetic symbol "foo" does not exist
+    Bracketed symbol "foo" does not exist
diff --git a/test/asm/parenthetic-macro-args.asm b/test/asm/parenthetic-macro-args.asm
deleted file mode 100644
index e9ea6569..00000000
--- a/test/asm/parenthetic-macro-args.asm
+++ /dev/null
@@ -1,19 +0,0 @@
-MACRO printargs
-	PRINTLN "first = \(1)"
-	FOR I, 2, _NARG
-		PRINTLN "next = \({d:I})"
-	ENDR
-	PRINTLN "last = \({d:_NARG})"
-ENDM
-
-	printargs A, B, C, D
-
-MACRO mac
-	println \(2__) + \(1_2) + \(\1)
-x = 2
-	println \({d:x}) + \(1_{d:x}) + \(\(\(13)))
-y equs "NARG"
-	println \(x) + \(1_{d:x}_) + \(\(\(_{y})))
-ENDM
-
-	mac 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 1
diff --git a/test/asm/quine.asm b/test/asm/quine.asm
index 4987fea2..dc0b595b 100644
--- a/test/asm/quine.asm
+++ b/test/asm/quine.asm
@@ -1,6 +1,6 @@
 MACRO N
 FOR R,1,_NARG+1
-PRINT STRSUB("\n\"\\ PR1NT,ABCDEFGHIMnOSU2_+-()",\(R)+1,1)
+PRINT STRSUB("\n\"\\ PR1NT,ABCDEFGHIMnOSU2_+-()<>",\<R>+1,1)
 ENDR
 REPT R-2
 PRINT"\1,"
@@ -8,4 +8,4 @@ SHIFT
 ENDR
 PRINT"\1\n"
 ENDM
- N 19,10,12,5,21,3,7,0,15,21,5,3,5,9,6,9,25,7,10,5,16,26,6,0,4,5,18,7,8,3,22,8,5,22,23,11,28,1,2,20,2,1,2,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,1,9,2,28,5,29,26,6,9,6,29,0,14,7,13,5,0,5,14,4,8,3,5,27,24,0,4,5,18,7,8,1,2,6,9,1,0,22,17,18,15,8,0,14,7,13,5,0,4,5,18,7,8,1,2,6,2,20,1,0,14,7,13,19,0,3,7,3
+ N 19,10,12,5,21,3,7,0,15,21,5,3,5,9,6,9,25,7,10,5,16,26,6,0,4,5,18,7,8,3,22,8,5,22,23,11,28,1,2,20,2,1,2,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,1,9,2,30,5,31,26,6,9,6,29,0,14,7,13,5,0,5,14,4,8,3,5,27,24,0,4,5,18,7,8,1,2,6,9,1,0,22,17,18,15,8,0,14,7,13,5,0,4,5,18,7,8,1,2,6,2,20,1,0,14,7,13,19,0,3,7,3
diff --git a/test/asm/quine.out b/test/asm/quine.out
index 4987fea2..dc0b595b 100644
--- a/test/asm/quine.out
+++ b/test/asm/quine.out
@@ -1,6 +1,6 @@
 MACRO N
 FOR R,1,_NARG+1
-PRINT STRSUB("\n\"\\ PR1NT,ABCDEFGHIMnOSU2_+-()",\(R)+1,1)
+PRINT STRSUB("\n\"\\ PR1NT,ABCDEFGHIMnOSU2_+-()<>",\<R>+1,1)
 ENDR
 REPT R-2
 PRINT"\1,"
@@ -8,4 +8,4 @@ SHIFT
 ENDR
 PRINT"\1\n"
 ENDM
- N 19,10,12,5,21,3,7,0,15,21,5,3,5,9,6,9,25,7,10,5,16,26,6,0,4,5,18,7,8,3,22,8,5,22,23,11,28,1,2,20,2,1,2,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,1,9,2,28,5,29,26,6,9,6,29,0,14,7,13,5,0,5,14,4,8,3,5,27,24,0,4,5,18,7,8,1,2,6,9,1,0,22,17,18,15,8,0,14,7,13,5,0,4,5,18,7,8,1,2,6,2,20,1,0,14,7,13,19,0,3,7,3
+ N 19,10,12,5,21,3,7,0,15,21,5,3,5,9,6,9,25,7,10,5,16,26,6,0,4,5,18,7,8,3,22,8,5,22,23,11,28,1,2,20,2,1,2,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,1,9,2,30,5,31,26,6,9,6,29,0,14,7,13,5,0,5,14,4,8,3,5,27,24,0,4,5,18,7,8,1,2,6,9,1,0,22,17,18,15,8,0,14,7,13,5,0,4,5,18,7,8,1,2,6,2,20,1,0,14,7,13,19,0,3,7,3