rename BufferManager::complete_buffername to complete_buffer_name

src/buffer_manager.cc

@@ -95,7 +95,7 @@ void BufferManager::set_last_used_buffer(Buffer& buffer)
     m_buffers.emplace(m_buffers.begin(), &buffer);
 }
 
-CandidateList BufferManager::complete_buffername(const String& prefix,
+CandidateList BufferManager::complete_buffer_name(const String& prefix,
                                                   ByteCount cursor_pos)
 {
     String real_prefix = prefix.substr(0, cursor_pos);

src/buffer_manager.hh

@@ -33,7 +33,7 @@ public:
     Buffer& get_buffer(const String& name);
     void    set_last_used_buffer(Buffer& buffer);
 
-    CandidateList complete_buffername(const String& prefix,
+    CandidateList complete_buffer_name(const String& prefix,
                                        ByteCount cursor_pos = -1);
 
 private:

src/commands.cc

@@ -96,7 +96,7 @@ const PerArgumentCommandCompleter filename_completer({
 const PerArgumentCommandCompleter buffer_completer({
     [](const Context& context, CompletionFlags flags, const String& prefix, ByteCount cursor_pos)
     { return Completions{ 0_byte, prefix.length(),
-                          BufferManager::instance().complete_buffername(prefix, cursor_pos) }; }
+                          BufferManager::instance().complete_buffer_name(prefix, cursor_pos) }; }
 });
 
 const ParameterDesc no_params{