The :tjump command displays the character constant '\n' incorrectly
as '\\n'.
To demonstrate this, create two files, foo.h and bar.h, each
containing this one line:
char newline = '\n';
Execute:
$ ctags foo.h bar.h
$ vim -N -u NONE
:tjump newline
The output is:
# pri kind tag file
1 F v newline bar.h
char newline = '\\n';
2 F v newline foo.h
char newline = '\\n';
Type number and <Enter> (empty cancels):
Note that the character constant '\n' is incorrectly displayed as
'\\n'.
The tags file itself contains the following.
!_TAG_FILE_FORMAT 2 /extended format; --format=1 will not
append ;" to lines/
!_TAG_FILE_SORTED 1 /0=unsorted, 1=sorted, 2=foldcase/
!_TAG_PROGRAM_AUTHOR Darren Hiebert /[email protected]/
!_TAG_PROGRAM_NAME Exuberant Ctags //
!_TAG_PROGRAM_URL http://ctags.sourceforge.net /official site/
!_TAG_PROGRAM_VERSION 5.8 //
newline bar.h /^char newline = '\\n';$/;" v
newline foo.h /^char newline = '\\n';$/;" v
This initially suggests that the error is in ctags, except that the
tag is written as a regular expression rather than a string copy of
the line. Since Vim strips the leading '^' and trailing '$' when
displaying the tag, it would be consistent and less confusing for
Vim to strip the extra '\' as well.
Ctags is:
$ ctags --version
Exuberant Ctags 5.8, Copyright (C) 1996-2009 Darren Hiebert
Compiled: Jan 13 2012, 03:54:33
Addresses: <[email protected]>, http://ctags.sourceforge.net
Optional compiled features: +wildcards, +regex
Vim is:
$ vim --version
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Jan 6 2014 13:14:18)
Included patches: 1-135
Compiled by [email protected]
Normal version with GTK2 GUI. Features included (+) or not (-):
+acl -farsi -mouse_netterm +syntax
-arabic +file_in_path -mouse_sgr +tag_binary
+autocmd +find_in_path -mouse_sysmouse +tag_old_static
+balloon_eval +float -mouse_urxvt -tag_any_white
+browse +folding +mouse_xterm -tcl
+builtin_terms -footer +multi_byte +terminfo
+byte_offset +fork() +multi_lang +termresponse
+cindent +gettext -mzscheme +textobjects
+clientserver -hangul_input +netbeans_intg +title
+clipboard +iconv +path_extra +toolbar
+cmdline_compl +insert_expand -perl +user_commands
+cmdline_hist +jumplist +persistent_undo +vertsplit
+cmdline_info -keymap +postscript +virtualedit
+comments -langmap +printer +visual
-conceal +libcall -profile +visualextra
+cryptv +linebreak +python +viminfo
+cscope +lispindent -python3 +vreplace
+cursorbind +listcmds +quickfix +wildignore
+cursorshape +localmap +reltime +wildmenu
+dialog_con_gui -lua -rightleft +windows
+diff +menu -ruby +writebackup
+digraphs +mksession +scrollbind +X11
+dnd +modify_fname +signs -xfontset
-ebcdic +mouse +smartindent +xim
-emacs_tags +mouseshape -sniff +xsmp_interact
+eval -mouse_dec +startuptime +xterm_clipboard
+ex_extra +mouse_gpm +statusline -xterm_save
+extra_search -mouse_jsbterm -sun_workshop +xpm
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: "/home/gary/src/vim-7.4/share/vim"
Compilation: gcc -c -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/atk-1.0
-I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/pixman-1
-I/usr/include/freetype2 -I/usr/include/libpng15 -g -U_FORTIFY_SOURCE
-D_FORTIFY_SOURCE=1
Linking: gcc -L/usr/local/lib -Wl,--as-needed -o vim -lgtk-x11-2.0
-lgdk-x11-2.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lpangocairo-1.0
-lgdk_pixbuf-2.0 -lcairo -lpango-1.0 -lfreetype -lfontconfig -lgobject-2.0
-lglib-2.0 -lSM -lICE -lXpm -lXt -lX11 -lXdmcp -lSM -lICE -lm -ltinfo -lnsl
-lselinux -lacl -lattr -lgpm -ldl -L/usr/lib64/python2.7/config -lpython2.7
-lpthread -ldl -lutil -lm -Xlinker -export-dynamic
The OS is Fedora 17.
Regards,
Gary
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