From 07bea24d5a5cfb9d04fab4e01f89957f16db17af Mon Sep 17 00:00:00 2001
From: Anton Novojilov <andy@essentialkaos.com>
Date: Wed, 1 Nov 2023 14:20:49 +0300
Subject: [PATCH 1/2] [fmtc] Fixed 'IsTag' compatibility with sequence of tags

---
 CHANGELOG.md      |  5 +++++
 fmtc/fmtc.go      | 10 ++++------
 fmtc/fmtc_test.go |  1 +
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31ec3fa2..75988b22 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## Changelog
 
+### 12.83.2
+
+* `[fmtc]` Fixed `IsTag` compatibility with sequence of tags (e.g. `{*}{_}{r}`)
+* `[fmtc]` Fixed bug in `Clean` with writing reset escape sequence if there is no reset tag in the given string
+
 ### 12.83.1
 
 * `[protip]` Disabling tips using environment variable (`PROTIP=0`)
diff --git a/fmtc/fmtc.go b/fmtc/fmtc.go
index 72e70d89..8e0efcda 100644
--- a/fmtc/fmtc.go
+++ b/fmtc/fmtc.go
@@ -344,8 +344,8 @@ func IsTrueColorSupported() bool {
 	return colorsTCSupported
 }
 
-// IsTag checks if the given value is valid color tag and can be encoded
-// to escape sequence
+// IsTag tests whether the given value is a valid color tag (or sequence
+// of tags) and can be encoded into an escape sequence
 func IsTag(tag string) bool {
 	if tag == "" {
 		return true // Empty value is valid color tag ¯\_(ツ)_/¯
@@ -355,9 +355,7 @@ func IsTag(tag string) bool {
 		return false
 	}
 
-	tag = tag[1 : len(tag)-1]
-
-	return isValidTag(tag)
+	return Clean(tag) == ""
 }
 
 // ////////////////////////////////////////////////////////////////////////////////// //
@@ -542,7 +540,7 @@ func searchColors(text string, limit int, clean bool) string {
 		}
 	}
 
-	if !closed {
+	if !closed && !clean {
 		output.WriteString(_CODE_RESET)
 	}
 
diff --git a/fmtc/fmtc_test.go b/fmtc/fmtc_test.go
index 86359c76..ef3f7d8e 100644
--- a/fmtc/fmtc_test.go
+++ b/fmtc/fmtc_test.go
@@ -93,6 +93,7 @@ func (s *FormatSuite) TestIsTag(c *C) {
 	c.Assert(IsTag("{r}"), Equals, true)
 	c.Assert(IsTag("{r*}"), Equals, true)
 	c.Assert(IsTag("{#123}"), Equals, true)
+	c.Assert(IsTag("{*}{_}{#123}"), Equals, true)
 	c.Assert(IsTag("{%123}"), Equals, true)
 	c.Assert(IsTag("{*}"), Equals, true)
 	c.Assert(IsTag("{w-}"), Equals, true)

From e0491e0d2d5683057b15a081df51479f86a1480c Mon Sep 17 00:00:00 2001
From: Anton Novojilov <andy@essentialkaos.com>
Date: Wed, 1 Nov 2023 15:31:52 +0300
Subject: [PATCH 2/2] [fmtutil/panel] Improve panel rendering with disabled
 colors

---
 CHANGELOG.md                |  1 +
 ek.go                       |  2 +-
 fmtutil/panel/panel.go      | 14 ++++++++++----
 fmtutil/panel/panel_test.go | 12 ++++++++++++
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 75988b22..a8615de6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ### 12.83.2
 
+* `[fmtutil/panel]` Improved panel rendering with disabled colors
 * `[fmtc]` Fixed `IsTag` compatibility with sequence of tags (e.g. `{*}{_}{r}`)
 * `[fmtc]` Fixed bug in `Clean` with writing reset escape sequence if there is no reset tag in the given string
 
diff --git a/ek.go b/ek.go
index 4b7de9f7..cc03ef4e 100644
--- a/ek.go
+++ b/ek.go
@@ -20,7 +20,7 @@ import (
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // VERSION is current ek package version
-const VERSION = "12.83.1"
+const VERSION = "12.83.2"
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
diff --git a/fmtutil/panel/panel.go b/fmtutil/panel/panel.go
index e7b363a8..796fa5d9 100644
--- a/fmtutil/panel/panel.go
+++ b/fmtutil/panel/panel.go
@@ -135,10 +135,16 @@ func renderPanel(label, colorTag, title, message string, options Options) {
 		fmtc.NewLine()
 	}
 
-	if options.Has(LABEL_POWERLINE) {
-		fmtc.Printf(colorTag+indent+"{@*} %s {!}"+colorTag+"{!} "+colorTag+"%s{!}", label, title)
+	labelFormat := "{@*} %s {!}"
+
+	if fmtc.DisableColors {
+		labelFormat = "[%s]"
+	}
+
+	if options.Has(LABEL_POWERLINE) && !fmtc.DisableColors {
+		fmtc.Printf(colorTag+indent+labelFormat+colorTag+"{!} "+colorTag+"%s{!}", label, title)
 	} else {
-		fmtc.Printf(colorTag+indent+"{@*} %s {!} "+colorTag+"%s{!}", label, title)
+		fmtc.Printf(colorTag+indent+labelFormat+colorTag+" %s{!}", label, title)
 	}
 
 	if !options.Has(TOP_LINE) {
@@ -146,7 +152,7 @@ func renderPanel(label, colorTag, title, message string, options Options) {
 	} else {
 		lineSize := width - (strutil.LenVisual(label+title) + 4)
 
-		if options.Has(LABEL_POWERLINE) {
+		if options.Has(LABEL_POWERLINE) && !fmtc.DisableColors {
 			lineSize--
 		}
 
diff --git a/fmtutil/panel/panel_test.go b/fmtutil/panel/panel_test.go
index 9f1a4d50..55cece66 100644
--- a/fmtutil/panel/panel_test.go
+++ b/fmtutil/panel/panel_test.go
@@ -10,6 +10,8 @@ package panel
 import (
 	"testing"
 
+	"github.com/essentialkaos/ek/v12/fmtc"
+
 	. "github.com/essentialkaos/check"
 )
 
@@ -37,6 +39,16 @@ func (s *PanelSuite) TestBasicInfoPanel(c *C) {
 	Info("Test info", "Message")
 }
 
+func (s *PanelSuite) TestNoColor(c *C) {
+	fmtc.DisableColors = true
+	Panel(
+		"使用上のヒント", "{m}", "Test with no colors",
+		`Lorem ipsum dolor sit amet.`,
+		WRAP, INDENT_OUTER, INDENT_INNER, TOP_LINE, BOTTOM_LINE, LABEL_POWERLINE,
+	)
+	fmtc.DisableColors = false
+}
+
 func (s *PanelSuite) TestPanelAllOptions(c *C) {
 	Width = 60
 	Indent = 2