1. It is customary to call DjVu context by the name of the program.

2. When changing DjVu page rendering mode there is no need to clear DjVu cache, only our own tile cache.

Conflicts:

	djvureader.lua

djvu.c

@@ -78,9 +78,9 @@ static int openDocument(lua_State *L) {
 	luaL_getmetatable(L, "djvudocument");
 	lua_setmetatable(L, -2);
 
-	doc->context = ddjvu_context_create("DJVUReader");
+	doc->context = ddjvu_context_create("kindlepdfviewer");
 	if (! doc->context) {
-		return luaL_error(L, "cannot create context.");
+		return luaL_error(L, "cannot create context");
 	}
 
 	printf("## cache_size = %d\n", cache_size);
@@ -90,12 +90,12 @@ static int openDocument(lua_State *L) {
 	while (! ddjvu_document_decoding_done(doc->doc_ref))
 		handle(L, doc->context, True);
 	if (! doc->doc_ref) {
-		return luaL_error(L, "cannot open DJVU file <%s>", filename);
+		return luaL_error(L, "cannot open DjVu file <%s>", filename);
 	}
 
 	doc->pixelformat = ddjvu_format_create(DDJVU_FORMAT_GREY8, 0, NULL);
 	if (! doc->pixelformat) {
-		return luaL_error(L, "cannot create DJVU pixelformat for <%s>", filename);
+		return luaL_error(L, "cannot create DjVu pixelformat for <%s>", filename);
 	}
 	ddjvu_format_set_row_order(doc->pixelformat, 1);
 	ddjvu_format_set_y_direction(doc->pixelformat, 1);