Fix crash when expanding macros in sections

Do not rely on endPos, but instead use the length of the macro
already calculated. This amends commit 85bc558660 .

Task-number: QTBUG-67818
Change-Id: Icc0268e67eceee83bb5510b5199684c465b2dd56
Reviewed-by: Martin Smith <martin.smith@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/qdoc/doc.cpp b/src/qdoc/doc.cpp
index 29f1eed77..2b25f3b3a 100644
--- a/src/qdoc/doc.cpp
+++ b/src/qdoc/doc.cpp
@@ -2136,7 +2136,7 @@ bool DocParser::expandMacro()
                 QString expanded = expandMacroToString(cmdStr,
                                                        macro.defaultDef,
                                                        macro.numParams);
-                input_.replace(backslashPos, endPos - backslashPos, expanded);
+                input_.replace(backslashPos, pos - backslashPos, expanded);
                 len = input_.length();
                 pos = backslashPos;
                 return true;