issue #6990 Dot produces no Graphs

Backslashes also have to be escaped otherwise a tooltip / brief description like `//!replace "\" with "\\"` won't be produced properly.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/dot.cpp b/src/dot.cpp
index 2d4c41a..101cbc6 100644
--- a/src/dot.cpp
+++ b/src/dot.cpp
@@ -1699,6 +1699,7 @@ static QCString escapeTooltip(const QCString &tooltip)
     switch(c)
     {
       case '"': result+="\\\""; break;
+      case '\\': result+="\\\\"; break;
       default: result+=c; break;
     }
   }