_:nc0bf433fea234defbbb74c56c935a25cxb1
<http://schema.org/text>
"C:\\Users\\Greg\\Documents\\Arduino\\libraries\\GSMSHIELD\\HWSerial.cpp:57:9: error: &#39;prog_char&#39; does not name a type\n\nconst prog_char *p = (const prog_char *)ifsh;\n\nWhat is it you have to do to pi$$ this compile error off!"
<https://forum.arduino.cc/t/error-prog_char-does-not-name-a-type/512629>