4 files changed, 8 insertions, 2 deletions
diff --git a/layout/style/nsCSSKeywordList.h b/layout/style/nsCSSKeywordList.h
index 9045da9ff..86ba59142 100644
--- a/layout/style/nsCSSKeywordList.h
+++ b/layout/style/nsCSSKeywordList.h
@@ -144,6 +144,7 @@ CSS_KEY(alternate, alternate)
 CSS_KEY(alternate-reverse, alternate_reverse)
 CSS_KEY(always, always)
 CSS_KEY(annotation, annotation)
+CSS_KEY(anywhere, anywhere)
 CSS_KEY(appworkspace, appworkspace)
 CSS_KEY(auto, auto)
 CSS_KEY(auto-fill, auto_fill)
diff --git a/layout/style/nsCSSProps.cpp b/layout/style/nsCSSProps.cpp
index 24c97cf33..e0cda2488 100644
--- a/layout/style/nsCSSProps.cpp
+++ b/layout/style/nsCSSProps.cpp
@@ -2284,6 +2284,7 @@ const KTableEntry nsCSSProps::kWordBreakKTable[] = {
 const KTableEntry nsCSSProps::kOverflowWrapKTable[] = {
   { eCSSKeyword_normal, NS_STYLE_OVERFLOWWRAP_NORMAL },
   { eCSSKeyword_break_word, NS_STYLE_OVERFLOWWRAP_BREAK_WORD },
+  { eCSSKeyword_anywhere, NS_STYLE_OVERFLOWWRAP_ANYWHERE },
   { eCSSKeyword_UNKNOWN, -1 }
 };
 
diff --git a/layout/style/nsStyleConsts.h b/layout/style/nsStyleConsts.h
index f54387aa8..e6a0cc65a 100644
--- a/layout/style/nsStyleConsts.h
+++ b/layout/style/nsStyleConsts.h
@@ -997,6 +997,7 @@ enum class StyleDisplay : uint8_t {
 // See nsStyleText
 #define NS_STYLE_OVERFLOWWRAP_NORMAL            0
 #define NS_STYLE_OVERFLOWWRAP_BREAK_WORD        1
+#define NS_STYLE_OVERFLOWWRAP_ANYWHERE          2
 
 // See nsStyleText
 #define NS_STYLE_HYPHENS_NONE                   0
diff --git a/layout/style/nsStyleStruct.h b/layout/style/nsStyleStruct.h
index f49cdc43e..cca7bb8d4 100644
--- a/layout/style/nsStyleStruct.h
+++ b/layout/style/nsStyleStruct.h
@@ -2134,8 +2134,11 @@ struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleText
   }
 
   bool WordCanWrapStyle() const {
-    return WhiteSpaceCanWrapStyle() &&
-           mOverflowWrap == NS_STYLE_OVERFLOWWRAP_BREAK_WORD;
+    if (!WhiteSpaceCanWrapStyle()) {
+      return false;
+    }
+    return (mOverflowWrap == NS_STYLE_OVERFLOWWRAP_BREAK_WORD ||
+            mOverflowWrap == NS_STYLE_OVERFLOWWRAP_ANYWHERE);
   }
 
   bool HasTextEmphasis() const {