Workaround wx-3.2 issues with translation lookup

Special-case some problematic cases until wx-3.2.x includes the fixes
from wxWidgets/wxWidgets#24297

Better workaround for wx-3.2

src/edapp.cpp

@@ -46,6 +46,7 @@
 #include <wx/intl.h>
 #include <wx/ipc.h>
 #include <wx/translation.h>
+#include <wx/uilocale.h>
 
 #include <iostream>
 #include <fstream>
@@ -586,6 +587,19 @@ void PoeditApp::SetupLanguage()
     wxTranslations *trans = new wxTranslations();
     wxTranslations::Set(trans);
 
+    // workaround wx bug, see https://github.com/wxWidgets/wxWidgets/pull/24297
+    class PoeditTranslationsLoader : public wxFileTranslationsLoader
+    {
+    public:
+        wxArrayString GetAvailableTranslations(const wxString& domain) const override
+        {
+            auto all = wxFileTranslationsLoader::GetAvailableTranslations(domain);
+            all.push_back("en");
+            return all;
+        }
+    };
+    trans->SetLoader(new PoeditTranslationsLoader);
+
     int language = wxLANGUAGE_DEFAULT;
 
 #if NEED_CHOOSELANG_UI

src/gexecute.cpp

@@ -128,6 +128,8 @@ std::pair<long, wxArrayString> DoExecuteGettextImpl(const wxString& cmdline_)
     env.env["OUTPUT_CHARSET"] = "UTF-8";
 
     wxString lang = wxTranslations::Get()->GetBestTranslation("gettext-tools");
+    if ( lang.starts_with("en@") )
+        lang = "en"; // don't want things like en@blockquot
 	if ( !lang.empty() )
         env.env["LANG"] = lang;
 #endif // __WXOSX__ || __WXMSW__