added boolean to the plugins

packages/unified-latex-to-pretext/libs/unified-latex-plugin-to-pretext.ts

@@ -12,7 +12,7 @@ import {
     PluginOptions as HtmlLikePluginOptions,
 } from "./unified-latex-plugin-to-xml-like";
 
-export type PluginOptions = HtmlLikePluginOptions & {};
+export type PluginOptions = HtmlLikePluginOptions & {producePretextFragment: boolean};
 
 /**
  * Unified plugin to convert a `unified-latex` AST into a `xast` AST representation of PreTeXt source.

packages/unified-latex-to-pretext/libs/unified-latex-plugin-to-xml-like.ts

@@ -34,6 +34,8 @@ export type PluginOptions = {
      * You probably want to use the function `htmlLike(...)` to return a node that gets converted to specific HTML.
      */
     macroReplacements?: MacroReplacements;
+
+    producePretextFragment: boolean;
 };
 
 /**
@@ -126,6 +128,11 @@ export const unifiedLatexToXmlLike: Plugin<
             }
         });
 
+        if (!options.producePretextFragment) {
+            // Wrap in enough tags to ensure a valid pretext document
+            // ...
+        }
+
         // Make sure we are actually mutating the current tree.
         originalTree.content = tree.content;
     };