fix: update equation code

magic_pdf/pre_proc/equations_replace.py

@@ -191,13 +191,13 @@ def insert_interline_equations_textblock(interline_eq_bboxes, pymu_block_list):
                     "spans": [
                         {
                             "size": 9.962599754333496,
-                            "_type": TYPE_INTERLINE_EQUATION,
+                            "type": TYPE_INTERLINE_EQUATION,
                             "flags": 4,
                             "font": TYPE_INTERLINE_EQUATION,
                             "color": 0,
                             "ascender": 0.9409999847412109,
                             "descender": -0.3050000071525574,
-                            "text": f"\n$$\n{latex_content}\n$$\n",
+                            "latex": latex_content,
                             "origin": [bbox[0], bbox[1]],
                             "bbox": bbox,
                         }
@@ -320,7 +320,7 @@ def replace_line_v2(eqinfo, line):
         "bbox": eqinfo["bbox"]
     }
     # equation_span = line['spans'][0].copy()
-    equation_span["latex"] = f" ${eqinfo['latex']}$ "
+    equation_span["latex"] = eqinfo['latex']
     equation_span["bbox"] = [x0, equation_span["bbox"][1], x1, equation_span["bbox"][3]]
     equation_span["origin"] = [equation_span["bbox"][0], equation_span["bbox"][1]]
     equation_span["chars"] = delete_chars