Merge pull request #13376 from calixteman/6132

Replace command with not enough args by an endchar in CFF font

src/core/cff_parser.js

@@ -632,6 +632,14 @@ const CFFParser = (function CFFParserClosure() {
                   ", expected: " +
                   validationCommand.min
               );
+
+              if (stackSize === 0) {
+                // Just "fix" the outline in replacing command by a endchar:
+                // it could lead to wrong rendering of some glyphs or not.
+                // For example, the pdf in #6132 is well-rendered.
+                data[j - 1] = 14;
+                return true;
+              }
               return false;
             }
           }

test/pdfs/.gitignore

@@ -130,6 +130,7 @@
 !bug1513120_reduced.pdf
 !bug1538111.pdf
 !bug1552113.pdf
+!issue6132.pdf
 !issue9949.pdf
 !bug1308536.pdf
 !bug1337429.pdf

test/test_manifest.json

@@ -2642,6 +2642,12 @@
        "rounds": 1,
        "type": "eq"
     },
+    {  "id": "issue6132",
+       "file": "pdfs/issue6132.pdf",
+       "md5": "bd1e6252ca642acf2cd05db1748a073c",
+       "rounds": 1,
+       "type": "eq"
+    },
     {  "id": "issue4875",
        "file": "pdfs/issue4875.pdf",
        "md5": "9a558e18029a42c0ef4e9a8755e24733",