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vim-patch:9.1.0321: Garbled output on serial terminals with XON/XOFF flow control
Problem: When used terminal with XON/XOFF flow control, vim tries to
still make CTRL-S mapping available, which results in severe
screen corruption, especially on large redraws, and even
spurious inputs (John Tsiombikas)
Solution: Disallow CTRL-S mapping if such terminal is recognized.
Don't remove IXON from the bitmask inversion.
(Anton Sharonov)
*** When started like this:
TERM=vt420 vim
:set termcap
shows "t_xon=y"
map <C-S> :echo "abc"<CR>
does nothing (after <C-S> output freezes and subsequent <C-Q>
unfreezes it)
*** When started like this:
TERM=xterm vim
:set termcap
shows "t_xon="
map <C-S> :echo "abc"<CR>
works (after <C-S> one see "abc" string echo-ed)
fixes: vim/vim#12674
closes: vim/vim#14542
49528da8a6
Co-authored-by: Anton Sharonov <anton.sharonov@gmail.com>
This commit is contained in:
parent
0f5c94c04b
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@ -3966,4 +3966,23 @@ func Test_buffer_completion()
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call assert_equal("\"b Xbuf_complete/Foobar.c Xbuf_complete/MyFoobar.c AFoobar.h", @:)
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endfunc
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" :set t_??
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func Test_term_option()
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throw 'Skipped: Nvim does not support termcap options'
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set wildoptions&
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let _cpo = &cpo
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set cpo-=C
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let expected='"set t_AB t_AF t_AU t_AL t_al t_bc t_BE t_BD t_cd t_ce t_Ce t_CF t_cl t_cm'
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\ .. ' t_Co t_CS t_Cs t_cs t_CV t_da t_db t_DL t_dl t_ds t_Ds t_EC t_EI t_fs t_fd t_fe'
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\ .. ' t_GP t_IE t_IS t_ke t_ks t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_RF t_RB t_RC'
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\ .. ' t_RI t_Ri t_RK t_RS t_RT t_RV t_Sb t_SC t_se t_Sf t_SH t_SI t_Si t_so t_SR t_sr'
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\ .. ' t_ST t_Te t_te t_TE t_ti t_TI t_Ts t_ts t_u7 t_ue t_us t_Us t_ut t_vb t_ve t_vi'
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\ .. ' t_VS t_vs t_WP t_WS t_XM t_xn t_xs t_ZH t_ZR t_8f t_8b t_8u t_xo t_#2 t_#4 t_%i'
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\ .. ' t_*7 t_@7 t_F1 t_F2 t_k1 t_k2 t_k3 t_k4 t_k5 t_k6 t_k7 t_k8 t_k9 t_k; t_kB t_kD'
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\ .. ' t_kI t_kN t_kP t_kb t_kd t_kh t_kl t_kr t_ku'
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call feedkeys(":set t_\<C-A>\<C-B>\"\<CR>", 'tx')
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call assert_equal(expected, @:)
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let &cpo = _cpo
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endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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