diff -up texworks-0.3/src/TWApp.cpp\~ texworks-0.3/src/TWApp.cpp
--- texworks-0.3/src/TWApp.cpp~	2010-10-02 10:38:03.000000000 +0900
+++ texworks-0.3/src/TWApp.cpp	2010-10-02 10:47:37.874000067 +0900
@@ -810,6 +810,8 @@ void TWApp::setDefaultEngineList()
 	else
 		engineList->clear();
 	*engineList
+		<< Engine("pdfpLaTeX", "pdfplatex" EXE, QStringList("$basename"), true)
+		<< Engine("pdfepLaTeX", "pdfeplatex" EXE, QStringList("$basename"), true)
 		<< Engine("LaTeXmk", "latexmk" EXE, QStringList("-e") << 
 				  "$pdflatex=q/pdflatex -synctex=1 %O %S/" << "-pdf" << "$fullname", true)
 		<< Engine("pdfTeX", "pdftex" EXE, QStringList("$synctexoption") << "$fullname", true)
@@ -818,7 +820,9 @@ void TWApp::setDefaultEngineList()
 		<< Engine("XeLaTeX", "xelatex" EXE, QStringList("$synctexoption") << "$fullname", true)
 		<< Engine("ConTeXt", "texmfstart" EXE, QStringList("texexec") << "$fullname", true)
 		<< Engine("XeConTeXt", "texmfstart" EXE, QStringList("texexec") << "--xtx" << "$fullname", true)
+		<< Engine("pBibTeX", "pbibtex" EXE, QStringList("$basename"), false)
 		<< Engine("BibTeX", "bibtex" EXE, QStringList("$basename"), false)
+		<< Engine("Mendex", "mendex" EXE, QStringList("$basename"), false)
 		<< Engine("MakeIndex", "makeindex" EXE, QStringList("$basename"), false);
 	defaultEngineIndex = 1;
 }

Diff finished.  Sat Oct  2 10:47:40 2010