Clean up non-ascii characters

src/algo/SIMD.md

@@ -2,10 +2,10 @@
 
 ## What these functions do
 
-`indexByteTwo(s []byte, b1, b2 byte) int` — returns the index of the
+`indexByteTwo(s []byte, b1, b2 byte) int` -- returns the index of the
 **first** occurrence of `b1` or `b2` in `s`, or `-1`.
 
-`lastIndexByteTwo(s []byte, b1, b2 byte) int` — returns the index of the
+`lastIndexByteTwo(s []byte, b1, b2 byte) int` -- returns the index of the
 **last** occurrence of `b1` or `b2` in `s`, or `-1`.
 
 They are used by the fuzzy matching algorithm (`algo.go`) to skip ahead
@@ -91,9 +91,9 @@ implementations (`2xIndexByte` using `bytes.IndexByte`, and a simple `loop`).
 
 The assembly is verified by three layers of testing:
 
-1. **Table-driven tests** — known inputs with expected outputs.
-2. **Exhaustive tests** — all lengths 0–256, every match position, no-match
+1. **Table-driven tests** -- known inputs with expected outputs.
+2. **Exhaustive tests** -- all lengths 0–256, every match position, no-match
    cases, and both-bytes-present cases, compared against a simple loop
    reference.
-3. **Fuzz tests** — randomized inputs via `testing.F`, compared against the
+3. **Fuzz tests** -- randomized inputs via `testing.F`, compared against the
    same loop reference.

src/algo/indexbyte2_arm64.s

@@ -78,7 +78,7 @@ loop:
 	CBZ	R6, loop
 
 end:
-	// Found something or out of data — build full syndrome
+	// Found something or out of data, build full syndrome
 	VAND	V5.B16, V3.B16, V3.B16
 	VAND	V5.B16, V4.B16, V4.B16
 	VADDP	V4.B16, V3.B16, V6.B16

src/ansi.go

@@ -484,7 +484,7 @@ func interpretCode(ansiCode string, prevState *ansiState) ansiState {
 					state.attr = state.attr | tui.Italic
 				case 4:
 					if sep == ':' {
-						// SGR 4:N — underline style sub-parameter
+						// SGR 4:N - underline style sub-parameter
 						var subNum int
 						subNum, _, ansiCode = parseAnsiCode(ansiCode)
 						state.attr = state.attr &^ tui.UnderlineStyleMask

src/terminal_test.go

@@ -721,7 +721,7 @@ func TestWordWrapAnsiLine(t *testing.T) {
 		t.Errorf("ANSI: %q", result)
 	}
 
-	// Long word (no space) — no break, let character wrapping handle it
+	// Long word (no space) - no break, let character wrapping handle it
 	result = term.wordWrapAnsiLine("abcdefghij", 5, 2)
 	if len(result) != 1 || result[0] != "abcdefghij" {
 		t.Errorf("Long word: %q", result)
@@ -749,7 +749,7 @@ func TestWordWrapAnsiLine(t *testing.T) {
 
 	// Tab handling: tab expands to tabstop-aligned width
 	term.tabstop = 8
-	// "\thi there" — tab at column 0 expands to 8, total "hi" starts at 8
+	// "\thi there" - tab at column 0 expands to 8, total "hi" starts at 8
 	// maxWidth=15: "\thi" = 10 wide, "there" = 5 wide, total 16 > 15, wrap at space
 	result = term.wordWrapAnsiLine("\thi there", 15, 2)
 	if len(result) != 2 || result[0] != "\thi" || result[1] != "there" {

src/tui/tui_test.go

@@ -9,7 +9,7 @@ func TestWrapLine(t *testing.T) {
 		t.Errorf("Basic wrap: %v", lines)
 	}
 
-	// Exact fit — no wrapping needed
+	// Exact fit - no wrapping needed
 	lines = WrapLine("hello", 0, 5, 8, 2)
 	if len(lines) != 1 || lines[0].Text != "hello" || lines[0].DisplayWidth != 5 {
 		t.Errorf("Exact fit: %v", lines)