docs: move tmux documentation to its own file

1 files changed, 66 insertions, 64 deletions

diff --git a/internal/textutil/textutil_test.go b/internal/textutil/textutil_test.go
index 3a8cd90..cfe8de8 100644
--- a/internal/textutil/textutil_test.go
+++ b/internal/textutil/textutil_test.go
@@ -1,87 +1,89 @@
 package textutil
 
 import (
-    "regexp"
-    "strings"
-    "testing"
+	"regexp"
+	"strings"
+	"testing"
 )
 
 func TestRenderTemplate_Basic(t *testing.T) {
-    out := RenderTemplate("Hello, {{name}}!", map[string]string{"name": "Hex"})
-    if out != "Hello, Hex!" {
-        t.Fatalf("render failed: %q", out)
-    }
-    // No vars
-    if RenderTemplate("x", nil) != "x" { t.Fatal("nil vars changed output") }
+	out := RenderTemplate("Hello, {{name}}!", map[string]string{"name": "Hex"})
+	if out != "Hello, Hex!" {
+		t.Fatalf("render failed: %q", out)
+	}
+	// No vars
+	if RenderTemplate("x", nil) != "x" {
+		t.Fatal("nil vars changed output")
+	}
 }
 
 func TestStripCodeFences_Variants(t *testing.T) {
-    cases := []struct{ in, want string }{
-        {"```\ncode\n```", "code"},
-        {"```go\npackage x\n```", "package x"},
-        {"no fences", "no fences"},
-        {"\n\n```\ntrim\n```\n", "trim"},
-    }
-    for _, c := range cases {
-        if got := StripCodeFences(c.in); got != c.want {
-            t.Fatalf("strip mismatch: %q != %q", got, c.want)
-        }
-    }
+	cases := []struct{ in, want string }{
+		{"```\ncode\n```", "code"},
+		{"```go\npackage x\n```", "package x"},
+		{"no fences", "no fences"},
+		{"\n\n```\ntrim\n```\n", "trim"},
+	}
+	for _, c := range cases {
+		if got := StripCodeFences(c.in); got != c.want {
+			t.Fatalf("strip mismatch: %q != %q", got, c.want)
+		}
+	}
 }
 
 func TestInstructionFromSelection_Markers(t *testing.T) {
-    inputs := []string{
-        ";do it;\ncode",
-        "/* fix */\ncode",
-        "<!-- doc -->\ncode",
-        "// change\ncode",
-        "# tweak\ncode",
-        "-- op\ncode",
-    }
-    for _, in := range inputs {
-        instr, cleaned := InstructionFromSelection(in)
-        if strings.TrimSpace(instr) == "" {
-            t.Fatalf("no instruction for input: %q", in)
-        }
-        // cleaned should not contain the instruction token
-        if strings.Contains(cleaned, instr) {
-            // Allow coincidence only if separated differently; require not exact match on same line
-            first := strings.Split(in, "\n")[0]
-            if strings.Contains(first, instr) {
-                t.Fatalf("instruction not removed: %q", cleaned)
-            }
-        }
-    }
+	inputs := []string{
+		";do it;\ncode",
+		"/* fix */\ncode",
+		"<!-- doc -->\ncode",
+		"// change\ncode",
+		"# tweak\ncode",
+		"-- op\ncode",
+	}
+	for _, in := range inputs {
+		instr, cleaned := InstructionFromSelection(in)
+		if strings.TrimSpace(instr) == "" {
+			t.Fatalf("no instruction for input: %q", in)
+		}
+		// cleaned should not contain the instruction token
+		if strings.Contains(cleaned, instr) {
+			// Allow coincidence only if separated differently; require not exact match on same line
+			first := strings.Split(in, "\n")[0]
+			if strings.Contains(first, instr) {
+				t.Fatalf("instruction not removed: %q", cleaned)
+			}
+		}
+	}
 }
 
 func TestFindFirstInstructionInLine_EarliestWins(t *testing.T) {
-    // Both markers present, earliest should win (strict tag first)
-    line := ";first;  // later"
-    instr, cleaned, ok := FindFirstInstructionInLine(line)
-    if !ok || instr != "first" {
-        t.Fatalf("expected 'first', got %q ok=%v", instr, ok)
-    }
-    if strings.Contains(cleaned, instr) {
-        t.Fatalf("expected cleaned line to remove instr: %q", cleaned)
-    }
+	// Both markers present, earliest should win (strict tag first)
+	line := ";first;  // later"
+	instr, cleaned, ok := FindFirstInstructionInLine(line)
+	if !ok || instr != "first" {
+		t.Fatalf("expected 'first', got %q ok=%v", instr, ok)
+	}
+	if strings.Contains(cleaned, instr) {
+		t.Fatalf("expected cleaned line to remove instr: %q", cleaned)
+	}
 }
 
 func TestFindStrictInlineTag(t *testing.T) {
-    if txt, l, r, ok := FindStrictInlineTag("pre;do;post"); !ok || txt != "do" || l != 3 || r != 7 {
-        t.Fatalf("strict tag parse failed: %q %d %d %v", txt, l, r, ok)
-    }
-    if _, _, _, ok := FindStrictInlineTag("; spaced ;"); ok {
-        t.Fatalf("should reject spaced strict tag")
-    }
+	if txt, l, r, ok := FindStrictInlineTag("pre;do;post"); !ok || txt != "do" || l != 3 || r != 7 {
+		t.Fatalf("strict tag parse failed: %q %d %d %v", txt, l, r, ok)
+	}
+	if _, _, _, ok := FindStrictInlineTag("; spaced ;"); ok {
+		t.Fatalf("should reject spaced strict tag")
+	}
 }
 
 // optional: ensure no ANSI codes appear in plain helpers
 func TestNoANSIInHelpers(t *testing.T) {
-    ansi := regexp.MustCompile(`\x1b\[[0-9;]*m`)
-    if ansi.MatchString(RenderTemplate("x", nil)) {
-        t.Fatalf("unexpected ansi in RenderTemplate")
-    }
-    if ansi.MatchString(StripCodeFences("x")) {
-        t.Fatalf("unexpected ansi in StripCodeFences")
-    }
+	ansi := regexp.MustCompile(`\x1b\[[0-9;]*m`)
+	if ansi.MatchString(RenderTemplate("x", nil)) {
+		t.Fatalf("unexpected ansi in RenderTemplate")
+	}
+	if ansi.MatchString(StripCodeFences("x")) {
+		t.Fatalf("unexpected ansi in StripCodeFences")
+	}
 }