Merge branch 'develop' of https://github.com/mermaid-js/mermaid into 5367/architecture-diagram

packages/mermaid/src/diagrams/class/classDb.ts

@@ -113,6 +113,7 @@ export const clear = function () {
   functions.push(setupToolTips);
   namespaces = new Map();
   namespaceCounter = 0;
+  direction = 'TB';
   commonClear();
 };
 

packages/mermaid/src/diagrams/class/classDiagram.spec.ts

@@ -444,6 +444,17 @@ class C13["With Città foreign language"]
         ]
       `);
     });
+
+    it('should revert direction to default once direction is removed', () => {
+      parser.parse(`classDiagram
+          direction RL
+          class A`);
+      expect(classDb.getDirection()).toBe('RL');
+      classDb.clear();
+      parser.parse(`classDiagram
+          class B`);
+      expect(classDb.getDirection()).toBe('TB');
+    });
   });
 
   describe('when parsing class defined in brackets', function () {

packages/mermaid/src/docs/syntax/stateDiagram.md

@@ -288,8 +288,8 @@ a _[valid CSS property name](https://www.w3.org/TR/CSS/#properties)_ followed by
 
 Here is an example of a classDef with just one property-value pair:
 
-```
-    classDef movement font-style:italic;
+```txt
+classDef movement font-style:italic;
 ```
 
 where
@@ -301,8 +301,8 @@ If you want to have more than one _property-value pair_ then you put a comma (`,
 
 Here is an example with three property-value pairs:
 
-```
-    classDef badBadEvent fill:#f00,color:white,font-weight:bold,stroke-width:2px,stroke:yellow
+```txt
+classDef badBadEvent fill:#f00,color:white,font-weight:bold,stroke-width:2px,stroke:yellow
 ```
 
 where
@@ -327,7 +327,7 @@ There are two ways to apply a `classDef` style to a state:
 A `class` statement tells Mermaid to apply the named classDef to one or more classes. The form is:
 
 ```txt
-    class [one or more state names, separated by commas] [name of a style defined with classDef]
+class [one or more state names, separated by commas] [name of a style defined with classDef]
 ```
 
 Here is an example applying the `badBadEvent` style to a state named `Crash`: