Don't override next search result on CTRL-T

Closes #44

Author: tpope

plugin/rsi.vim

@@ -29,9 +29,23 @@ inoremap <expr> <C-E> col('.')>strlen(getline('.'))<bar><bar>pumvisible()?"\<Lt>
 inoremap <expr> <C-F> col('.')>strlen(getline('.'))?"\<Lt>C-F>":"\<Lt>Right>"
 cnoremap <expr> <C-F> getcmdpos()>strlen(getcmdline())?&cedit:"\<Lt>Right>"
 
-noremap! <expr> <SID>transposition getcmdpos()>strlen(getcmdline())?"\<Left>":getcmdpos()>1?'':"\<Right>"
-noremap! <expr> <SID>transpose "\<BS>\<Right>".matchstr(getcmdline()[0 : getcmdpos()-2], '.$')
-cmap   <script> <C-T> <SID>transposition<SID>transpose
+function! s:transpose() abort
+  let pos = getcmdpos()
+  if getcmdtype() ==# '/'
+    return "\<C-T>"
+  elseif pos > strlen(getcmdline())
+    let pre = "\<Left>"
+    let pos -= 1
+  elseif pos <= 1
+    let pre = "\<Right>"
+    let pos += 1
+  else
+    let pre = ""
+  endif
+  return pre . "\<BS>\<Right>".matchstr(getcmdline()[0 : pos-2], '.$')
+endfunction
+
+cnoremap <expr> <C-T> <SID>transpose()
 
 if exists('g:rsi_no_meta')
   finish