Help text attribute codes (Ctrl-A for bold and Ctrl-B for inverse) can now be

replaced with printable ASCII chars: ` for bold and ~ for inverse. Improves
compatibility with source editors that don't correctly display/edit ctrl chars.

src/uifc/uifc.c

@@ -1784,10 +1784,10 @@ void help()
 		if(hbuf[j]==LF) {
 			while(i%(76*2)) i++;
 			i+=2; }
-		else if(hbuf[j]==2) {		 /* Ctrl-b toggles inverse */
+		else if(hbuf[j]==2 || hbuf[j]=='~') { /* Ctrl-b toggles inverse */
 			inverse=!inverse;
 			i-=2; }
-		else if(hbuf[j]==1) {		 /* Ctrl-a toggles high intensity */
+		else if(hbuf[j]==1 || hbuf[j]=='`') { /* Ctrl-a toggles high intensity */
 			high=!high;
 			i-=2; }
 		else if(hbuf[j]!=CR) {

src/uifc/uifcc.c

@@ -1722,10 +1722,10 @@ void help()
 		if(hbuf[j]==LF) {
 			while(i%(76*2)) i++;
 			i+=2; }
-		else if(hbuf[j]==2) {		 /* Ctrl-b toggles inverse */
+		else if(hbuf[j]==2 || hbuf[j]=='~') {		 /* Ctrl-b toggles inverse */
 			inverse=!inverse;
 			i-=2; }
-		else if(hbuf[j]==1) {		 /* Ctrl-a toggles high intensity */
+		else if(hbuf[j]==1 || hbuf[j]=='`') {		 /* Ctrl-a toggles high intensity */
 			high=!high;
 			i-=2; }
 		else if(hbuf[j]!=CR) {