Rūdolfs Mazurs · Nathan Follens · Hugo Carvalho · Fabio Tomat · Robert Roth · Robert Roth
--- a/NEWS
+++ b/NEWS
+Overview of changes in gnome-calculator 42.1
+    * Updated translations
+    * Fixed broken undo/redo #266 (Robert Roth)
+    * Removed automatic closing brace addition #271 (Robert Roth)
+    * Fixed incorrect percentage symbol precedence handling #236, #275 (Robert Roth)
+
 Overview of changes in gnome-calculator 42.0
    * Updated translations


--- a/data/org.gnome.Calculator.appdata.xml.in
+++ b/data/org.gnome.Calculator.appdata.xml.in
@@ -71,6 +71,17 @@
  <translation type="gettext">gnome-calculator</translation>
  <content_rating type="oars-1.1" />
  <releases>
+    <release version="42.1" date="2022-05-27" type="stable">
+      <description>
+        <p>Overview of changes in gnome-calculator 42.1</p>
+        <ul>
+          <li>Updated Translations</li>
+          <li>Fixed broken undo/redo #266 (Robert Roth)</li>
+          <li>Removed automatic closing brace addition #271 (Robert Roth)</li>
+          <li>Fixed incorrect percentage symbol precedence handling #236, #275 (Robert Roth)</li>
+        </ul>
+      </description>
+    </release>
    <release version="42.0" date="2022-03-19" type="stable">
      <description>
        <p>Overview of changes in gnome-calculator 42.0</p>

--- a/lib/equation-parser.vala
+++ b/lib/equation-parser.vala
@@ -1177,6 +1177,8 @@ public class Parser
            return Precedence.CONVERT;
        if (type == LexerTokenType.SHIFT_LEFT || type == LexerTokenType.SHIFT_RIGHT)
            return Precedence.SHIFT;
+        if (type == LexerTokenType.L_R_BRACKET || type == LexerTokenType.R_R_BRACKET)
+            return Precedence.DEPTH;
        return Precedence.TOP;
    }

@@ -1889,7 +1891,7 @@ public class Parser
                            return true;
                    }

-                    node.precedence = Precedence.PERCENTAGE;
+                    node.precedence = make_precedence_p (Precedence.PERCENTAGE);
                    node.do_percentage = true;
                    return true;
                }
@@ -1932,7 +1934,7 @@ public class Parser
                            return true;
                    }

-                    node.precedence = Precedence.PERCENTAGE;
+                    node.precedence = make_precedence_p (Precedence.PERCENTAGE);
                    node.do_percentage = true;
                    return true;
                }

--- a/lib/math-equation.vala
+++ b/lib/math-equation.vala
@@ -535,7 +535,7 @@ public class MathEquation : GtkSource.Buffer
            insert (text.delimit ("\n", ' '));
    }

-    public override void undo ()
+    public new void undo ()
    {
        if (undo_stack == null)
        {
@@ -556,7 +556,7 @@ public class MathEquation : GtkSource.Buffer
        apply_state (state);
    }

-    public override void redo ()
+    public new void redo ()
    {
        if (redo_stack == null)
        {
@@ -1025,20 +1025,6 @@ public class MathEquation : GtkSource.Buffer
        var solvedata = new SolveData ();

        var text = equation;
-        /* Count the number of brackets and automatically add missing closing brackets */
-        var n_brackets = 0;
-        for (var i = 0; text[i] != '\0'; i++)
-        {
-            if (text[i] == '(')
-                n_brackets++;
-            else if (text[i] == ')')
-                n_brackets--;
-        }
-        while (n_brackets > 0)
-        {
-            text += ")";
-            n_brackets--;
-        }

        ErrorCode error_code;
        string error_token;

--- a/meson.build
+++ b/meson.build
 project('gnome-calculator', ['c', 'vala'],
-  version: '42.0',
+  version: '42.1',
  meson_version: '>= 0.57.0',
  license: 'GPLv3+',
 )

--- a/po/fur.po
+++ b/po/fur.po
--- a/po/lv.po
+++ b/po/lv.po
--- a/po/nl.po
+++ b/po/nl.po
--- a/po/pt.po
+++ b/po/pt.po
--- a/tests/test-equation.vala
+++ b/tests/test-equation.vala
@@ -422,6 +422,11 @@ private void test_equations ()
    test ("100−1%", "99", 0);
    test ("100×1%", "1", 0);
    test ("100÷1%", "10000", 0);
+    test ("1+100%", "2", 0);
+    test ("(1+100%)", "2", 0);
+    test ("(1+100%)^2", "4", 0);
+    test ("(1+100%)^2", "4", 0);
+    test ("(((100−20)−50%)+20)", "60", 0);

    /* Factorial */
    test ("0!", "1", 0);