{"action":"created","issue":{"url":"https://api.github.com/repos/bling/vim-airline/issues/715","labels_url":"https://api.github.com/repos/bling/vim-airline/issues/715/labels{/name}","comments_url":"https://api.github.com/repos/bling/vim-airline/issues/715/comments","events_url":"https://api.github.com/repos/bling/vim-airline/issues/715/events","html_url":"https://github.com/bling/vim-airline/issues/715","id":58582305,"number":715,"title":"tabline with unique_tail formatter raises error and fails when using vim help","user":{"login":"lodagro","id":1094464,"avatar_url":"https://avatars.githubusercontent.com/u/1094464?v=3","gravatar_id":"","url":"https://api.github.com/users/lodagro","html_url":"https://github.com/lodagro","followers_url":"https://api.github.com/users/lodagro/followers","following_url":"https://api.github.com/users/lodagro/following{/other_user}","gists_url":"https://api.github.com/users/lodagro/gists{/gist_id}","starred_url":"https://api.github.com/users/lodagro/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lodagro/subscriptions","organizations_url":"https://api.github.com/users/lodagro/orgs","repos_url":"https://api.github.com/users/lodagro/repos","events_url":"https://api.github.com/users/lodagro/events{/privacy}","received_events_url":"https://api.github.com/users/lodagro/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/bling/vim-airline/labels/bug","name":"bug","color":"fc2929"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-02-23T12:59:09Z","updated_at":"2015-02-27T08:20:49Z","closed_at":"2015-02-27T04:10:11Z","body":"Hi,\r\n\r\nRecently i enabled the the tabline extension. Below are the vim-airline settings i have in my .vimrc file. Using these settings and having multiple tabs open, an error appears when using vim help, furthermore the tabline no longer looks as expected. The error messages below is an example when i have two empty tabs open and doing ```:help```. I`m on master of today.\r\n\r\n```\r\nlet g:airline_powerline_fonts = 1                                                                                                                                                                                                                                                                                              \r\nlet g:airline#extensions#branch#use_vcscommand = 1                                                                                                                                                                                                                                                                             \r\nset laststatus=2   \" Always show the statusline                                                                                                                                                                                                                                                                                \r\nlet g:airline_theme='solarized'                                                                                                                                                                                                                                                                                                \r\nlet g:airline#extensions#tabline#enabled = 1                                                                                                                                                                                                                                                                                   \r\nlet g:airline#extensions#tabline#tab_nr_type = 1 \" 0=#of splits, 1=tab number                                                                                                                                                                                                                                                  \r\nlet g:airline#extensions#tabline#formatter = 'unique_tail'            \r\n```\r\n\r\n```\r\n:messages                                                                                                                                                                                                                                                                                                                      \r\nMessages maintainer: Bram Moolenaar <Bram@vim.org>                                                                                                                                                                                                                                                                             \r\n\"help.txt\" [readonly] 221L, 8249C                                                                                                                                                                                                                                                                                              \r\nError detected while processing function airline#extensions#tabline#title..airline#extensions#tabline#get_buffer_name..airline#extensions#tabline#formatters#unique_tail#format:                                                                                                                                               \r\nline   22:                                                                                                                                                                                                                                                                                                                     \r\nE716: Key not present in Dictionary: 3                                                                                                                                                                                                                                                                                         \r\nError detected while processing function airline#extensions#tabline#title..airline#extensions#tabline#get_buffer_name..airline#extensions#tabline#formatters#unique_tail#format:                                                                                                                                               \r\nline   22:                                                                                                                                                                                                                                                                                                                     \r\nE15: Invalid expression: map[a:bufnr]                                                                                                                                                                                                                                                                                          \r\nPress ENTER or type command to continue       \r\n```\r\n\r\nWouter"},"comment":{"url":"https://api.github.com/repos/bling/vim-airline/issues/comments/76354603","html_url":"https://github.com/bling/vim-airline/issues/715#issuecomment-76354603","issue_url":"https://api.github.com/repos/bling/vim-airline/issues/715","id":76354603,"user":{"login":"lodagro","id":1094464,"avatar_url":"https://avatars.githubusercontent.com/u/1094464?v=3","gravatar_id":"","url":"https://api.github.com/users/lodagro","html_url":"https://github.com/lodagro","followers_url":"https://api.github.com/users/lodagro/followers","following_url":"https://api.github.com/users/lodagro/following{/other_user}","gists_url":"https://api.github.com/users/lodagro/gists{/gist_id}","starred_url":"https://api.github.com/users/lodagro/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lodagro/subscriptions","organizations_url":"https://api.github.com/users/lodagro/orgs","repos_url":"https://api.github.com/users/lodagro/repos","events_url":"https://api.github.com/users/lodagro/events{/privacy}","received_events_url":"https://api.github.com/users/lodagro/received_events","type":"User","site_admin":false},"created_at":"2015-02-27T08:20:49Z","updated_at":"2015-02-27T08:20:49Z","body":":thumbsup: \r\n\r\nThanks!"}}