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plan9: rename copyfield → fscr, selfield → fsel

--- a/plan9.c

+++ b/plan9.c

@@ -77,7 +77,7 @@

 static Mbuf_reusable mbuf, mscr;

 static char filename[256];

 static Channel *cchan;

-static Field copyfield, selfield;

+static Field fscr, fsel;

 static bool altdown, pause, forward;

 static int mode = Minsert;

 static long framedev; /* frame deviation in ms */

@@ -429,7 +429,7 @@

 			if (c == '.' && eqpt(Pt(x, y), cur))

 				c = cursor;

-			if (!grouphl && !complete && c == copyfield.buffer[off] && attr == mscr.buffer[off]) {

+			if (!grouphl && !complete && c == fscr.buffer[off] && attr == mscr.buffer[off]) {

 				if (i > 0) {

 					p = runestringnbg(screen, p, color[oldfg], ZP, font, linebuf, i, color[oldbg], ZP);

 					i = 0;

@@ -438,7 +438,7 @@

 				continue;

 			}

-			copyfield.buffer[off] = c;

+			fscr.buffer[off] = c;

 			mscr.buffer[off] = attr;

 			bg = selected ? Dbinv : Dback;

@@ -682,9 +682,9 @@

 	if (sel.min.x+x < 0 || sel.min.x >= field.width || sel.min.y+y < 0 || sel.min.y+y >= field.height)

 		return;

-	field_resize_raw(&selfield, Dy(sel)+1, Dx(sel)+1);

+	field_resize_raw(&fsel, Dy(sel)+1, Dx(sel)+1);

 	gbuffer_copy_subrect(

-		field.buffer, selfield.buffer,

+		field.buffer, fsel.buffer,

 		field.height, field.width, Dy(sel)+1, Dx(sel)+1,

 		sel.min.y, sel.min.x, 0, 0, Dy(sel)+1, Dx(sel)+1

 	);

@@ -695,7 +695,7 @@

 	}

 	gbuffer_copy_subrect(

-		selfield.buffer, field.buffer,

+		fsel.buffer, field.buffer,

 		Dy(sel)+1, Dx(sel)+1, field.height, field.width,

 		0, 0, sel.min.y+y, sel.min.x+x, Dy(sel)+1, Dx(sel)+1

 	);

@@ -950,8 +950,8 @@

 		field_init_fill(&field, h, w, '.');

 	}

-	field_init_fill(&copyfield, h, w, '.');

-	field_init(&selfield);

+	field_init_fill(&fscr, h, w, '.');

+	field_init(&fsel);

 	linebuf = malloc(sizeof(Rune)*MAX(w+1, 64));

 	memset(noteoff, 0, sizeof(noteoff));

@@ -1263,15 +1263,15 @@

 			memmove(mbuf.buffer, mscr.buffer, w*h);

 			linebuf = realloc(linebuf, sizeof(Rune)*MAX(w+1, 64));

-			field_copy(&field, &copyfield);

+			field_copy(&field, &fscr);

 			field_resize_raw(&field, h, w);

 			memset(field.buffer, '.', w*h);

 			gbuffer_copy_subrect(

-				copyfield.buffer, field.buffer,

-				copyfield.height, copyfield.width, h, w,

-				0, 0, 0, 0, MIN(h, copyfield.height), MIN(w, copyfield.width)

+				fscr.buffer, field.buffer,

+				fscr.height, fscr.width, h, w,

+				0, 0, 0, 0, MIN(h, fscr.height), MIN(w, fscr.width)

 			);

-			field_resize_raw(&copyfield, h, w);

+			field_resize_raw(&fscr, h, w);

 			complete = true;

 		}

@@ -1281,8 +1281,8 @@

 	chanclose(a[Ckey].c);

 	chanclose(a[Credraw].c);

 	mbuf_reusable_deinit(&mscr);

-	field_deinit(&copyfield);

-	field_deinit(&selfield);

+	field_deinit(&fscr);

+	field_deinit(&fsel);

 	free(linebuf);

 	threadexitsall(nil);