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Merge pull request #8859 from bfredl/cmdline_norm
cmdline: always use save_cmdline before command_line_enter
This commit is contained in:
Björn Linse
GitHub
commit
c7db42faab
@ -177,10 +177,6 @@ typedef struct command_line_state {
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int break_ctrl_c;
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expand_T xpc;
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long *b_im_ptr;
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// Everything that may work recursively should save and restore the
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// current command line in save_ccline. That includes update_screen(), a
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// custom status line may invoke ":normal".
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struct cmdline_info save_ccline;
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} CommandLineState;
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typedef struct cmdline_info CmdlineInfo;
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@ -225,11 +221,19 @@ static bool need_cursor_update = false;
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# include "ex_getln.c.generated.h"
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#endif
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static int cmd_hkmap = 0; /* Hebrew mapping during command line */
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static int cmd_hkmap = 0; // Hebrew mapping during command line
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static int cmd_fkmap = 0; // Farsi mapping during command line
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static int cmd_fkmap = 0; /* Farsi mapping during command line */
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/// Internal entry point for cmdline mode.
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///
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/// caller must use save_cmdline and restore_cmdline. Best is to use
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/// getcmdline or getcmdline_prompt, instead of calling this directly.
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static uint8_t *command_line_enter(int firstc, long count, int indent)
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{
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// can be invoked recursively, identify each level
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static int cmdline_level = 0;
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cmdline_level++;
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CommandLineState state, *s = &state;
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memset(s, 0, sizeof(CommandLineState));
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s->firstc = firstc;
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@ -257,7 +261,7 @@ static uint8_t *command_line_enter(int firstc, long count, int indent)
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}
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ccline.prompt_id = last_prompt_id++;
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ccline.level++;
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ccline.level = cmdline_level;
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ccline.overstrike = false; // always start in insert mode
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clearpos(&s->match_end);
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s->save_cursor = curwin->w_cursor; // may be restored later
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@ -489,19 +493,14 @@ static uint8_t *command_line_enter(int firstc, long count, int indent)
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sb_text_end_cmdline();
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{
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char_u *p = ccline.cmdbuff;
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// Make ccline empty, getcmdline() may try to use it.
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ccline.cmdbuff = NULL;
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if (ui_is_external(kUICmdline)) {
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ccline.redraw_state = kCmdRedrawNone;
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ui_call_cmdline_hide(ccline.level);
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}
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ccline.level--;
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cmdline_level--;
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return p;
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}
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}
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static int command_line_check(VimState *state)
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@ -641,9 +640,7 @@ static int command_line_execute(VimState *state, int key)
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p_ls = save_p_ls;
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p_wmh = save_p_wmh;
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last_status(false);
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save_cmdline(&s->save_ccline);
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update_screen(VALID); // redraw the screen NOW
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restore_cmdline(&s->save_ccline);
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redrawcmd();
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save_p_ls = -1;
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wild_menu_showing = 0;
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@ -818,18 +815,17 @@ static int command_line_execute(VimState *state, int key)
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new_cmdpos = ccline.cmdpos;
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}
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save_cmdline(&s->save_ccline);
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s->c = get_expr_register();
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restore_cmdline(&s->save_ccline);
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if (s->c == '=') {
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// Need to save and restore ccline. And set "textlock"
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// to avoid nasty things like going to another buffer when
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// evaluating an expression.
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save_cmdline(&s->save_ccline);
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++textlock;
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CmdlineInfo save_ccline;
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save_cmdline(&save_ccline);
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textlock++;
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p = get_expr_line();
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--textlock;
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restore_cmdline(&s->save_ccline);
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textlock--;
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restore_cmdline(&save_ccline);
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if (p != NULL) {
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len = (int)STRLEN(p);
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@ -1362,9 +1358,10 @@ static int command_line_handle_key(CommandLineState *s)
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beep_flush();
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s->c = ESC;
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} else {
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save_cmdline(&s->save_ccline);
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CmdlineInfo save_ccline;
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save_cmdline(&save_ccline);
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s->c = get_expr_register();
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restore_cmdline(&s->save_ccline);
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restore_cmdline(&save_ccline);
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}
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}
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@ -1899,9 +1896,7 @@ static int command_line_changed(CommandLineState *s)
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curwin->w_redr_status = true;
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}
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save_cmdline(&s->save_ccline);
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update_screen(SOME_VALID);
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restore_cmdline(&s->save_ccline);
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restore_last_search_pattern();
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// Leave it at the end to make CTRL-R CTRL-W work.
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@ -1996,7 +1991,14 @@ getcmdline (
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int indent // indent for inside conditionals
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)
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{
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return command_line_enter(firstc, count, indent);
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// Be prepared for situations where cmdline can be invoked recursively.
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// That includes cmd mappings, event handlers, as well as update_screen()
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// (custom status line eval), which all may invoke ":normal :".
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CmdlineInfo save_ccline;
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save_cmdline(&save_ccline);
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char_u *retval = command_line_enter(firstc, count, indent);
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restore_cmdline(&save_ccline);
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return retval;
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}
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/// Get a command line with a prompt
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@ -2020,7 +2022,7 @@ char *getcmdline_prompt(const char firstc, const char *const prompt,
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{
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const int msg_col_save = msg_col;
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struct cmdline_info save_ccline;
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CmdlineInfo save_ccline;
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save_cmdline(&save_ccline);
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ccline.prompt_id = last_prompt_id++;
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@ -2034,7 +2036,7 @@ char *getcmdline_prompt(const char firstc, const char *const prompt,
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int msg_silent_saved = msg_silent;
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msg_silent = 0;
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char *const ret = (char *)getcmdline(firstc, 1L, 0);
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char *const ret = (char *)command_line_enter(firstc, 1L, 0);
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restore_cmdline(&save_ccline);
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msg_silent = msg_silent_saved;
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@ -2176,6 +2178,7 @@ getexline (
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/* When executing a register, remove ':' that's in front of each line. */
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if (exec_from_reg && vpeekc() == ':')
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(void)vgetc();
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return getcmdline(c, 1L, indent);
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}
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@ -3019,16 +3022,16 @@ void cmdline_screen_cleared(void)
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}
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int prev_level = ccline.level-1;
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CmdlineInfo *prev_ccline = ccline.prev_ccline;
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while (prev_level > 0 && prev_ccline) {
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if (prev_ccline->level == prev_level) {
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CmdlineInfo *line = ccline.prev_ccline;
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while (prev_level > 0 && line) {
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if (line->level == prev_level) {
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// don't redraw a cmdline already shown in the cmdline window
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if (prev_level != cmdwin_level) {
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prev_ccline->redraw_state = kCmdRedrawAll;
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line->redraw_state = kCmdRedrawAll;
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}
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prev_level--;
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}
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prev_ccline = prev_ccline->prev_ccline;
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line = line->prev_ccline;
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}
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need_cursor_update = true;
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@ -3244,6 +3247,7 @@ static void save_cmdline(struct cmdline_info *ccp)
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ccline.cmdprompt = NULL;
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ccline.xpc = NULL;
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ccline.special_char = NUL;
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ccline.level = 0;
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}
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/*
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@ -656,7 +656,6 @@ describe('mappings with <Cmd>', function()
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end)
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it('works in cmdline mode', function()
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cmdmap('<F2>', 'call setcmdpos(2)')
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feed(':text<F3>')
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eq('c', eval('m'))
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-- didn't leave cmdline mode
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@ -768,5 +767,32 @@ describe('mappings with <Cmd>', function()
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end)
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it("doesn't crash when invoking cmdline mode recursively #8859", function()
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cmdmap('<F2>', 'norm! :foo')
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feed(':bar')
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screen:expect([[
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some short lines |
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of test text |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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:bar^ |
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]])
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feed('<f2>x')
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screen:expect([[
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some short lines |
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of test text |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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:barx^ |
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]])
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end)
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end)
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