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13624Re: Macvim slow with "set list" and Unicode listchars

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  • björn
    Mar 14, 2013
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      I tried creating a simple file with tabs in it but did not experience
      the slowness you mention. Can you please send me a file where the
      problem occurs for you so that I have something to test with?

      Thanks,
      Björn

      On Wed, Mar 13, 2013 at 11:16 PM, Kevin Burke <kevin@...> wrote:
      > Hi,
      > I've been investigating a problem with Unicode listchars.
      >
      > My .vimrc looks like:
      >
      > "" show line endings
      > set list
      > set listchars=tab:▸\ ,eol:¬
      >
      > When I open a file containing many tab characters, Macvim is extremely slow to scroll - holding down "j" yields a key repeat rate of about once per second.
      >
      > If I turn off list:
      >
      > set nolist
      >
      > Or, use a different tab listchar:
      >
      > set listchars=tab:+\ ,eol
      >
      > Scrolling suddenly becomes very fast.
      >
      > Here is information about my version:
      >
      > VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Mar 4 2013 10:46:00)
      > MacOS X (unix) version
      > Included patches: 1-754
      > Compiled by kevin@...
      > Huge version with MacVim GUI. Features included (+) or not (-):
      > +arabic +autocmd +balloon_eval +browse ++builtin_terms +byte_offset +cindent +clientserver +clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments +conceal +cryptv -cscope +cursorbind +cursorshape +dialog_con_gui +diff +digraphs +dnd -ebcdic +emacs_tags +eval
      > +ex_extra +extra_search +farsi +file_in_path +find_in_path +float +folding -footer +fork() +fullscreen -gettext -hangul_input +iconv +insert_expand +jumplist +keymap +langmap +libcall +linebreak +lispindent +listcmds +localmap -lua +menu +mksession +modify_fname +mouse
      > +mouseshape +mouse_dec -mouse_gpm -mouse_jsbterm +mouse_netterm +mouse_sgr -mouse_sysmouse +mouse_urxvt +mouse_xterm +multi_byte +multi_lang -mzscheme +netbeans_intg +odbeditor +path_extra +perl +persistent_undo +postscript +printer +profile +python -python3 +quickfix
      > +reltime +rightleft +ruby +scrollbind +signs +smartindent -sniff +startuptime +statusline -sun_workshop +syntax +tag_binary +tag_old_static -tag_any_white +tcl +terminfo +termresponse +textobjects +title +toolbar +transparency +user_commands +vertsplit +virtualedit
      > +visual +visualextra +viminfo +vreplace +wildignore +wildmenu +windows +writebackup -X11 -xfontset +xim -xsmp -xterm_clipboard -xterm_save
      > system vimrc file: "$VIM/vimrc"
      > user vimrc file: "$HOME/.vimrc"
      > user exrc file: "$HOME/.exrc"
      > system gvimrc file: "$VIM/gvimrc"
      > user gvimrc file: "$HOME/.gvimrc"
      > system menu file: "$VIMRUNTIME/menu.vim"
      > fall-back for $VIM: "/Applications/MacVim.app/Contents/Resources/vim"
      > Compilation: clang -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_MACVIM -Wall -Wno-unknown-pragmas -pipe -DMACOS_X_UNIX -no-cpp-precomp -g -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 -I/System/Library/Frameworks/Tcl.framework/Headers -D_REENTRANT=1 -D_THREAD_SAFE=1 -D
      > _DARWIN_C_SOURCE=1
      > Linking: clang -L. -L. -L/usr/local/lib -o Vim -framework Cocoa -framework Carbon -lncurses -liconv -framework Cocoa -fstack-protector -L/usr/local/lib -L/System/Library/Perl/5.12/darwin-thread-multi-2level/CORE -lperl -lm -lutil -lc -framework Python
      > -F/System/Library/Frameworks -framework Tcl -framework CoreFoundation -framework Ruby
      >
      > I am running on Mountain Lion. Let me know if I can do anything to help debug this issue further.
      >
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