Correctly handle the case that a parenthesis is empty.

Resolves #1178
wxMaxima-developers · Dec 6, 2019 · 276f131 · 276f131
1 parent 5e3314b
commit 276f131
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/src/ParenCell.cpp b/src/ParenCell.cpp
@@ -389,6 +389,9 @@ void ParenCell::Draw(wxPoint point)
 wxString ParenCell::ToString()
 {
   wxString s;
+  if(!m_innerCell)
+    return "()";
+
   if (!m_isBrokenIntoLines)
   {
     if (m_print)

diff --git a/src/main.cpp b/src/main.cpp
@@ -194,7 +194,7 @@ bool MyApp::OnInit()
   {
     std::cout << "A feature-rich graphical user interface for the computer algebra system maxima\n";
     std::cout << cmdLineParser.GetUsageString();
-    exit(wxMaxima::m_exitCode);
+    exit(0);
   }
 
   if(cmdLineError != 0)