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in more_mode, do not clear the screen all the time, like traditional more. this fixes ancient PR#227.

This commit is contained in:
mrg 1999-04-06 11:53:00 +00:00
parent b8f166d4da
commit 6dd8be1324
1 changed files with 12 additions and 7 deletions
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19
usr.bin/less/less/forwback.c
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@ -1,4 +1,4 @@
/* $NetBSD: forwback.c,v 1.5 1999/04/06 05:57:35 mrg Exp $ */
/* $NetBSD: forwback.c,v 1.6 1999/04/06 11:53:00 mrg Exp $ */
/*
* Copyright (c) 1984,1985,1989,1994,1995,1996,1999 Mark Nudelman
@ -45,6 +45,7 @@ extern int top_scroll;
extern int quiet;
extern int sc_width, sc_height;
extern int quit_at_eof;
extern int more_mode;
extern int plusoption;
extern int forw_scroll;
extern int back_scroll;
@ -155,10 +156,13 @@ forw(n, pos, force, only_last, nblank)
pos_clear();
add_forw_pos(pos);
force = 1;
if (top_scroll == OPT_ONPLUS || first_time)
clear();
home();
} else
if (more_mode == 0)
{
if (top_scroll == OPT_ONPLUS || first_time)
clear();
home();
}
} else if (more_mode == 0)
{
clear_bot();
}
@ -173,7 +177,7 @@ forw(n, pos, force, only_last, nblank)
pos_clear();
add_forw_pos(pos);
force = 1;
if (top_scroll)
if (top_scroll && more_mode == 0)
{
if (top_scroll == OPT_ONPLUS)
clear();
@ -241,7 +245,8 @@ forw(n, pos, force, only_last, nblank)
* start the display after the beginning of the file,
* and it is not appropriate to squish in that case.
*/
if (first_time && pos == NULL_POSITION && !top_scroll &&
if ((first_time || more_mode) &&
pos == NULL_POSITION && !top_scroll &&
#if TAGS
tagoption == NULL &&
#endif