def: reuse is a better word

CHANGELOG.md

@@ -41,7 +41,7 @@ IMPROVEMENTS:
 * **`:GoTestFunc`** supports now testable examples [gh-794]
 * **`:GoDef`** can jump to existing buffers instead of opening a new window
   (split, vsplit or tab). By default it's disabled to not break the old
-  behavior, can be enabled with `let g:go_def_use_buffer = 1`
+  behavior, can be enabled with `let g:go_def_reuse_buffer = 1`
 
 BUG FIXES:
 

autoload/go/def.vim

@@ -68,7 +68,7 @@ function! s:jump_to_declaration(out, mode)
 
 	" jump to existing buffer if, 1. we have enabled it, 2. the buffer is loaded
 	" and 3. there is buffer window number we switch to
-	if get(g:, 'go_def_use_buffer', 0) && bufloaded(filename) != 0 && bufwinnr(filename) != -1
+	if get(g:, 'go_def_reuse_buffer', 0) && bufloaded(filename) != 0 && bufwinnr(filename) != -1
 		" jumpt to existing buffer if it exists
 		execute bufwinnr(filename) . 'wincmd w'
 	elseif a:mode == "tab"

doc/vim-go.txt

@@ -745,17 +745,17 @@ Goto declaration/definition. Results are shown in the current buffer.
                                                             *(go-def-split)*
 
 Goto declaration/definition. Results are shown in a split window. 
-Jumps to an existing buffer if |g:go_def_use_buffer| is enabled.
+Jumps to an existing buffer if |g:go_def_reuse_buffer| is enabled.
 
                                                          *(go-def-vertical)*
 
 Goto declaration/definition. Results are shown in a vertical split window.
-Jumps to an existing buffer if |g:go_def_use_buffer| is enabled.
+Jumps to an existing buffer if |g:go_def_reuse_buffer| is enabled.
 
                                                               *(go-def-tab)*
 
 Goto declaration/definition. Results are shown in a tab window.
-Jumps to an existing buffer if |g:go_def_use_buffer| is enabled.
+Jumps to an existing buffer if |g:go_def_reuse_buffer| is enabled.
 
                                                               *(go-def-stack)*
 
@@ -970,12 +970,12 @@ these keys or mappings. Default is enabled. >
 
   let g:go_def_mapping_enabled = 1
 <
-                                                     *'g:go_def_use_buffer'*
+                                                     *'g:go_def_reuse_buffer'*
 
 Use this option to jump to an existing buffer for the split, vsplit and tab
 mappings of |:GoDef|. By default it's disabled. >
 
-  let g:go_def_use_buffer = 0
+  let g:go_def_reuse_buffer = 0
 <
 
                                                     *'g:go_dispatch_enabled'*