diff --git a/nw/constants/constants.py b/nw/constants/constants.py
index 9a539b73..e7549bb4 100644
--- a/nw/constants/constants.py
+++ b/nw/constants/constants.py
@@ -41,8 +41,8 @@ class nwConst():
 
 class nwRegEx():
 
-    FMT_I  = r"(?<![\w\\])(_)(?![\s_])(.+?)(?<![\s\\])(\1)(?!\w)"
-    FMT_B  = r"(?<![\w\\])([\*]{2})(?![\s\*])(.+?)(?<![\s\\])(\1)(?!\w)"
+    FMT_EI = r"(?<![\w\\])(_)(?![\s_])(.+?)(?<![\s\\])(\1)(?!\w)"
+    FMT_EB = r"(?<![\w\\])([\*]{2})(?![\s\*])(.+?)(?<![\s\\])(\1)(?!\w)"
     FMT_ST = r"(?<![\w\\])([~]{2})(?![\s~])(.+?)(?<![\s\\])(\1)(?!\w)"
 
 # END Class nwRegEx
diff --git a/nw/core/tokenizer.py b/nw/core/tokenizer.py
index 2f172ca7..5087c67c 100644
--- a/nw/core/tokenizer.py
+++ b/nw/core/tokenizer.py
@@ -297,8 +297,8 @@ class Tokenizer():
         """
         # RegExes for adding formatting tags within text lines
         rxFormats = [
-            (QRegularExpression(nwRegEx.FMT_I),  [None, self.FMT_I_B, None, self.FMT_I_E]),
-            (QRegularExpression(nwRegEx.FMT_B),  [None, self.FMT_B_B, None, self.FMT_B_E]),
+            (QRegularExpression(nwRegEx.FMT_EI), [None, self.FMT_I_B, None, self.FMT_I_E]),
+            (QRegularExpression(nwRegEx.FMT_EB), [None, self.FMT_B_B, None, self.FMT_B_E]),
             (QRegularExpression(nwRegEx.FMT_ST), [None, self.FMT_D_B, None, self.FMT_D_E]),
         ]
 
diff --git a/nw/gui/dochighlight.py b/nw/gui/dochighlight.py
index 564b1a9b..ba39b6e6 100644
--- a/nw/gui/dochighlight.py
+++ b/nw/gui/dochighlight.py
@@ -68,7 +68,7 @@ class GuiDocHighlighter(QSyntaxHighlighter):
         self.colDialN  = QColor(0, 0, 0)
         self.colDialD  = QColor(0, 0, 0)
         self.colDialS  = QColor(0, 0, 0)
-        self.colComm   = QColor(0, 0, 0)
+        self.colHidden = QColor(0, 0, 0)
         self.colKey    = QColor(0, 0, 0)
         self.colVal    = QColor(0, 0, 0)
         self.colSpell  = QColor(0, 0, 0)
@@ -92,7 +92,7 @@ class GuiDocHighlighter(QSyntaxHighlighter):
         self.colDialN  = QColor(*self.theTheme.colDialN)
         self.colDialD  = QColor(*self.theTheme.colDialD)
         self.colDialS  = QColor(*self.theTheme.colDialS)
-        self.colComm   = QColor(*self.theTheme.colComm)
+        self.colHidden = QColor(*self.theTheme.colHidden)
         self.colKey    = QColor(*self.theTheme.colKey)
         self.colVal    = QColor(*self.theTheme.colVal)
         self.colSpell  = QColor(*self.theTheme.colSpell)
@@ -118,14 +118,14 @@ class GuiDocHighlighter(QSyntaxHighlighter):
             "header4h"   : self._makeFormat(self.colHeadH, "bold", 1.2),
             "bold"       : self._makeFormat(self.colEmph, "bold"),
             "italic"     : self._makeFormat(self.colEmph, "italic"),
-            "strike"     : self._makeFormat(self.colEmph, "strike"),
+            "strike"     : self._makeFormat(self.colHidden, "strike"),
             "trailing"   : self._makeFormat(self.colTrail, "background"),
             "nobreak"    : self._makeFormat(self.colTrail, "background"),
             "dialogue1"  : self._makeFormat(self.colDialN),
             "dialogue2"  : self._makeFormat(self.colDialD),
             "dialogue3"  : self._makeFormat(self.colDialS),
             "replace"    : self._makeFormat(self.colRepTag),
-            "hidden"     : self._makeFormat(self.colComm),
+            "hidden"     : self._makeFormat(self.colHidden),
             "keyword"    : self._makeFormat(self.colKey),
             "modifier"   : self._makeFormat(self.colMod),
             "value"      : self._makeFormat(self.colVal, "underline"),
@@ -167,14 +167,14 @@ class GuiDocHighlighter(QSyntaxHighlighter):
 
         # Markdown
         self.hRules.append((
-            nwRegEx.FMT_I, {
+            nwRegEx.FMT_EI, {
                 1 : self.hStyles["hidden"],
                 2 : self.hStyles["italic"],
                 3 : self.hStyles["hidden"],
             }
         ))
         self.hRules.append((
-            nwRegEx.FMT_B, {
+            nwRegEx.FMT_EB, {
                 1 : self.hStyles["hidden"],
                 2 : self.hStyles["bold"],
                 3 : self.hStyles["hidden"],
diff --git a/nw/gui/docviewer.py b/nw/gui/docviewer.py
index 2d9ac637..39a769b3 100644
--- a/nw/gui/docviewer.py
+++ b/nw/gui/docviewer.py
@@ -532,9 +532,9 @@ class GuiDocViewer(QTextBrowser):
             hColR = self.theTheme.colHead[0],
             hColG = self.theTheme.colHead[1],
             hColB = self.theTheme.colHead[2],
-            cColR = self.theTheme.colComm[0],
-            cColG = self.theTheme.colComm[1],
-            cColB = self.theTheme.colComm[2],
+            cColR = self.theTheme.colHidden[0],
+            cColG = self.theTheme.colHidden[1],
+            cColB = self.theTheme.colHidden[2],
             eColR = self.theTheme.colEmph[0],
             eColG = self.theTheme.colEmph[1],
             eColB = self.theTheme.colEmph[2],
diff --git a/nw/gui/theme.py b/nw/gui/theme.py
index 88cdd72f..5683d1a3 100644
--- a/nw/gui/theme.py
+++ b/nw/gui/theme.py
@@ -103,7 +103,7 @@ class GuiTheme:
         self.colDialN  = [0, 0, 0]
         self.colDialD  = [0, 0, 0]
         self.colDialS  = [0, 0, 0]
-        self.colComm   = [0, 0, 0]
+        self.colHidden = [0, 0, 0]
         self.colKey    = [0, 0, 0]
         self.colVal    = [0, 0, 0]
         self.colSpell  = [0, 0, 0]
@@ -356,7 +356,7 @@ class GuiTheme:
             self.colDialN  = self._loadColour(confParser, cnfSec, "straightquotes")
             self.colDialD  = self._loadColour(confParser, cnfSec, "doublequotes")
             self.colDialS  = self._loadColour(confParser, cnfSec, "singlequotes")
-            self.colComm   = self._loadColour(confParser, cnfSec, "hidden")
+            self.colHidden = self._loadColour(confParser, cnfSec, "hidden")
             self.colKey    = self._loadColour(confParser, cnfSec, "keyword")
             self.colVal    = self._loadColour(confParser, cnfSec, "value")
             self.colSpell  = self._loadColour(confParser, cnfSec, "spellcheckline")
diff --git a/tests/test_gui.py b/tests/test_gui.py
index 4afaaa2b..ea7b54ec 100644
--- a/tests/test_gui.py
+++ b/tests/test_gui.py
@@ -1484,7 +1484,7 @@ def testThemes(qtbot, yesToAll, nwMinimal, nwTemp):
     assert nwGUI.theTheme.colDialN  == [242, 119, 122]
     assert nwGUI.theTheme.colDialD  == [153, 204, 153]
     assert nwGUI.theTheme.colDialS  == [255, 204, 102]
-    assert nwGUI.theTheme.colComm   == [153, 153, 153]
+    assert nwGUI.theTheme.colHidden == [153, 153, 153]
     assert nwGUI.theTheme.colKey    == [242, 119, 122]
     assert nwGUI.theTheme.colVal    == [204, 153, 204]
     assert nwGUI.theTheme.colSpell  == [242, 119, 122]