Document dynamic prompts and add escaping of {} characters.

README.md

@@ -102,6 +102,8 @@ Dragging a generated png on the webpage or loading one will give you the full wo
 
 You can use () to change emphasis of a word or phrase like: (good code:1.2) or (bad code:0.8). The default emphasis for () is 1.1. To use () characters in your actual prompt escape them like \\( or \\).
 
+You can use {day|night}, for wildcard/dynamic prompts. With this syntax "{wild|card|test}" will be randomly replaced by either "wild", "card" or "test" by the frontend every time you queue the prompt. To use {} characters in your actual prompt escape them like: \\{ or \\}.
+
 To use a textual inversion concepts/embeddings in a text prompt put them in the models/embeddings directory and use them in the CLIPTextEncode node like this (you can omit the .pt extension):
 
 ```embedding:embedding_filename.pt```

webshit/index.html

@@ -331,9 +331,9 @@ function graphToPrompt() {
 
                     // resolve the string
                     var prompt = widget.input_div.innerText;
-                    while (prompt.includes('{') && prompt.includes('}')) {
-                        const startIndex = prompt.indexOf('{');
-                        const endIndex = prompt.indexOf('}');
+                    while (prompt.replace("\\{", "").includes('{') && prompt.replace("\\}", "").includes('}')) {
+                        const startIndex = prompt.replace("\\{", "00").indexOf('{');
+                        const endIndex = prompt.replace("\\}", "00").indexOf('}');
 
                         const optionsString = prompt.substring(startIndex + 1, endIndex);
                         const options = optionsString.split('|');
@@ -344,7 +344,7 @@ function graphToPrompt() {
                         prompt = prompt.substring(0, startIndex) + randomOption + prompt.substring(endIndex + 1);
                     }
 
-                    widget.value = prompt;
+                    widget.value = prompt.replace("\\{", "{").replace("\\}", "}");
                 }
             }
         }