Vim (in a terminal) is drawing the cursor over the wrong character after I walk over some crazy high Unicode characters. Here's a screenshot:
Notice how the broken heart is highlighted, but the text on the bottom terminal line shows the result of me typing ga in normal mode: the cursor under the character should be ASCII 32 - a space. Please ignore my airline on the previous line.
I tried with zero config like so:
vim -u /dev/null -U /dev/null
...still repros.
The file has UNIX (LF) line endings.
The first line contains a skill and crossbones, a space, and a radioactive sign. This line works as I'd expect, and Vim properly draws the cursor on the space between the two. These codepoints are U+2620 and U+2622.
The second line contains three perhaps more exotic characters with an ASCII 32 space between each. The first is "U+1F44D THUMBS UP SIGN".
I'm using gnome-terminal, but it also repros in xterm and uxterm. I don't have any other terminals installed.
Does not repro in gvim nor gedit. Does not repro in nano nor pico.
I'm using 64-bit Ubuntu 16.04 desktop.
I'm using the distro-provided Vim packages. Here's what I've got installed:
ii vim-common 2:7.4.1689-3ubuntu1.2 amd64 Vi IMproved - Common files
ii vim-gnome 2:7.4.1689-3ubuntu1.2 amd64 Vi IMproved - enhanced vi editor - with GNOME2 GUI
ii vim-gui-common 2:7.4.1689-3ubuntu1.2 all Vi IMproved - Common GUI files
ii vim-runtime 2:7.4.1689-3ubuntu1.2 all Vi IMproved - Runtime files
ii vim-tiny 2:7.4.1689-3ubuntu1.2 amd64 Vi IMproved - enhanced vi editor - compact version
Here's the file I'm testing with: http://adammonsen.com/tmp/unicode-test.txt (SHA-256 checksum is 5bc884fe08b7bba58ae91f6a9eabcf40642a03580a59092c8a9fc270883390d4 ). I don't have a fancy webserver so you may have to force encoding to UTF-8 if you want that to look reasonable in your browser. The file doesn't have a BOM.
I read through http://vimdoc.sourceforge.net/cgi-bin/vimfaq2html3.pl and I searched around a bit but couldn't figure this one out. Any ideas? Anyone else able to repro?
-Adam
My vim --version:
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Nov 24 2016 16:44:48)
Included patches: 1-1689
Extra patches: 8.0.0056
Modified by pkg-vim-maintainers@lists.alioth.debian.org
Compiled by pkg-vim-maintainers@lists.alioth.debian.org
Huge version with GTK2-GNOME GUI. Features included (+) or not (-):
+acl +farsi +mouse_netterm +tag_binary
+arabic +file_in_path +mouse_sgr +tag_old_static
+autocmd +find_in_path -mouse_sysmouse -tag_any_white
+balloon_eval +float +mouse_urxvt +tcl
+browse +folding +mouse_xterm +terminfo
++builtin_terms -footer +multi_byte +termresponse
+byte_offset +fork() +multi_lang +textobjects
+channel +gettext -mzscheme +timers
+cindent -hangul_input +netbeans_intg +title
+clientserver +iconv +packages +toolbar
+clipboard +insert_expand +path_extra +user_commands
+cmdline_compl +job +perl +vertsplit
+cmdline_hist +jumplist +persistent_undo +virtualedit
+cmdline_info +keymap +postscript +visual
+comments +langmap +printer +visualextra
+conceal +libcall +profile +viminfo
+cryptv +linebreak -python +vreplace
+cscope +lispindent +python3 +wildignore
+cursorbind +listcmds +quickfix +wildmenu
+cursorshape +localmap +reltime +windows
+dialog_con_gui +lua +rightleft +writebackup
+diff +menu +ruby +X11
+digraphs +mksession +scrollbind -xfontset
+dnd +modify_fname +signs +xim
-ebcdic +mouse +smartindent +xsmp_interact
+emacs_tags +mouseshape +startuptime +xterm_clipboard
+eval +mouse_dec +statusline -xterm_save
+ex_extra +mouse_gpm -sun_workshop +xpm
+extra_search -mouse_jsbterm +syntax
system vimrc file: "$VIM/vimrc"
user vimrc file: "$HOME/.vimrc"
2nd user vimrc file: "~/.vim/vimrc"
user exrc file: "$HOME/.exrc"
system gvimrc file: "$VIM/gvimrc"
user gvimrc file: "$HOME/.gvimrc"
2nd user gvimrc file: "~/.vim/gvimrc"
system menu file: "$VIMRUNTIME/menu.vim"
fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK -pthread -I/usr/include/gtk-2.0 -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libpng12 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng12 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -D_REENTRANT -DORBIT2=1 -pthread -I/usr/include/libgnomeui-2.0 -I/usr/include/gnome-keyring-1 -I/usr/include/libbonoboui-2.0 -I/usr/include/libxml2 -I/usr/include/libgnome-2.0 -I/usr/include/libbonobo-2.0 -I/usr/include/bonobo-activation-2.0 -I/usr/include/orbit-2.0 -I/usr/include/libgnomecanvas-2.0 -I/usr/include/gail-1.0 -I/usr/include/libart-2.0 -I/usr/include/gtk-2.0 -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libpng12 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng12 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/x86_64-linux-gnu/gnome-vfs-2.0/include -I/usr/include/gconf/2 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -Wdate-time -g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format
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