安装在我的gentoo-linux中的gvim无法正确显示下划线(_)。键入后，屏幕将显示一个空白，与按空格键后的输出相同。然而，仍然可以通过搜索下划线(例如：/_)来区分下划线和空白。
有趣的是，这个问题不适用于vim，因为下划线和空白都可以正确显示。
以下是gvim和vim:的版本信息
gvim—版本VIM-Vi IM证明7.3(2010年8月15日，2014年2月20日12:49:32编译)包含的补丁：1-762Gentoo-7.3762修改编制人chenming@ae429-1105.eait.uq.edu.auGTK2-GNOME GUI的巨大版本。包含(+)或不包含(-)的功能：+阿拉伯语+autocmd+气球值+浏览++内置_terms+字节偏移集+煤渣+客户端服务器+剪贴板+cmdline_compl+cmdline_hist+cmdline_info+注释+隐藏+cryptv-cscope+游标绑定+游标形状+对话_用户界面+差异+有向图+dnd-ebcdic+emacs_tags+eval+ex_extra+extra_search+farsi+file_in_path+find_in_path+float+folding-footer+fork()+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+path_extra-perl+persistent_undo+postscript+printer+profile+python-python3+quickfix+reltime+right left-ruby+scrollbind+signs+smartindent-sniff+startuptime+statusline-sun_workshop+语法+tag_binary+tag_old_static-tag_any_white-tcl+terminfo+termresponse+textobjects+title+toolbar+user_commands+vertsplit+virtualedit+visual+visualextra+viminfo+vreplace+wildlignore+wildmenu+windows+writebackup+X11-xfontset+xim+xsmp_interact+xterm_clipboard-xterm_save系统vimrc文件："/etc/vim/vimrc"用户vimrc文件："$HOME/.virc"用户exrc文件："$HOME/.exrc"系统gvimrc文件："/etc/vim/gvimrc"用户gvimrc文件："$HOME/.gvimrc"系统菜单文件："$VIMRUNTIME/menu.vim"$VIM的回退："/usr/share/VIM"编译：x86_64-pc-linux-gnu-gcc-I-Iproto-DHAVE_CONFIG_H-DFEAT_GUI_GTK-pthread-I/usr/include/GTK-2.0-I/usr/lib64/GTK-2.0/include-I/usr/include/pango-1.0-I/usr/include/atk-1.0-I usr/include/cairo-I/usr/include/pixman-1-I/usr/enclude/libdrm-I/usr/-include/gdk-pixbuf-2.0-I/usr/exclude/libpng16-I/usr/invlude/pango-1.0-I/usr/include/harfbuzz-I/usr/include/pango-1.0-I/usr/include/glib-2.0-I/usr/lib64/glib-2.0/include-I/usr/include/freetype2-D_REENTRANT-DORBIT2=1-pthread-I/usr/include/libgnomeui-2.0-I/usr/include/ggnome-keyring-1-I/usr\include/libbonobui-2.0-I/usr/include/lignome-2.0-I/usr/include/libbonob-2.0-I//usr/include/boon-activation-2.0-I/usr/include/orbit-2.0-I/usr/include/lignomecanvas-2.0-I/O art-2.0-I/usr/include/gtk-2.0-I/usr/lib64/gtk-2.0/include-I/usr/include/pango-1.0-I/usr/include/atk-1.0-I//usr/include/cairo-I/USN/include/pixman-1-I/usr\include/libdrm-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/libpng16-I/usr/-include/ggnome-vfs-2.0-I/usr/lib64/ggnome-vfs-2.0 s-2.0/include-I/usr/include/gconf/2-I/usr/include/dbus-1.0-I/usr/lib64/dbus-1.0-include-I/usr/include/glib-2.0-I/usr\lib64/glib-2.0/include-O2-管道-march=native-U_FORTIFY_SOURCE-D_FORTIFY_SOURCE=1链接：x86_64-pc-linux-gnu-gcc-Wl，-O1-Wl，--根据需要-L/usr/local/lib-Wl，--根据需要-o gvim-lgtk-x11-2.0-lgdk-x11-2.0-lpangocairo-1.0-latk-1.0-lcairo-lgdk_pixbuf-2.0-lgio-2.0-lpangoft2-1.0-lpango-1.0-lgobject-2.0-lglib-2.0-lfreetype-lfontconfig-lgnomeui-2-lSM-lICE-lbonoboui-2-lgnome-2-lpopt-lbonobo激活-lORBit-2-lgnomecanvas-2-lart_lgpl_2-lgtk-x11-2.0-lgangocairo 1.0-latk-1.0-lcair.o-lgio-2.0-lpangoft2-1.0-lpango-1.0-lfreetype-lfontconfig-lgdk_pixbuf-2.0-lgnomevfs-2-lgconf-2-lgthread-2.0-lgmodule-2.0-lgobject-2.0-lglib-2.0-lSM-lICE-lXpm-lXt-lX11-lXdmcp-lSM–lICE-lm-lncurses-lelf-lacl-lattr-lgpm-ldl-L/usr/lib/python2.7/config-lpython2.7-lpthread-ldl-lutil-lm-Xlinker-导出动态
vim--版本VIM-Vi IM证明7.3(2010年8月15日，2014年2月19日22:06:12编译)包含的补丁：1-762Gentoo-7.3762修改编制人chenming@mybox没有GUI的巨大版本。包含(+)或不包含(-)的功能：+阿拉伯语+autocmd-气球值-浏览++内置_terms+字节偏移集+客户端服务器+剪贴板+cmdline_compl+cmdline_hist+cmdline_info+隐藏+cryptv-cscope+游标绑定+游标形状+对话+差异-dnd-ebcdic+emacs_tags+eval+ex_extra+extra_search+farsi+文件_+find_in_path+float+folding-footer+fork()+gettext-hangul_input+insert_expand+jumplist+keymap+langmap+libcall+linebreak+lispi+listcmds+localmap-lua+menu+mksession+modify_fname+mouse-mous+mouse_dec+mouse_gpm-mouse_jsbterm+mouse_netterm+mouse_sgr-mos+mouse_urxvt+mouse_xterm+multi_byte+multi_lang-mzscheme+netbean+path_extra-perl+persistent_undo+postscript+printer+profile+py-python3+quickfix+reltime+right-left-ruby+滚动绑定+符号+sma-sniff+startuptime+statusline-sun_workshop+语法+标签二进制+tag_old_static-tag_any_white-tcl+terminfo+termresponse+textobj-工具栏+user_commands+vertsplit+virtualedit+visual+visualextr+vrepllace+wildlignore+wildmenu+windows+writebackup+X11+xfontset+xsmp_interact+xterm_clipboard-xterm_save系统vimrc文件："/etc/vim/vimrc"用户vimrc文件："$HOME/.virc"用户exrc文件："$HOME/.exrc"$VIM的回退："/usr/share/VIM"编译：x86_64-pc-linux-gnu-gcc-I-Iproto-DHAVE_CONFIG_H链接：x86_64-pc-linux-gnu-gcc-Wl，-O1-Wl，--根据需要-L/usr/lolICE-lm-lncurses-llf-lnsl-lacl-lattr-lgpm-ldl-L/usr/xport dynamic
这可能是由压缩的行距引起的。尝试运行：设置行间距=5以增加行间距