#318 Do not capitalize the first character for cursor messages

autoload/ale/cursor.vim

@@ -7,15 +7,13 @@ function! s:GetMessage(linter, type, text) abort
     let l:type = a:type ==# 'E'
     \   ? g:ale_echo_msg_error_str
     \   : g:ale_echo_msg_warning_str
-    " Capitalize the 1st character
-    let l:text = toupper(a:text[0]) . a:text[1:-1]
 
     " Replace handlers if they exist
     for [l:k, l:v] in items({'linter': a:linter, 'severity': l:type})
         let l:msg = substitute(l:msg, '\V%' . l:k . '%', l:v, '')
     endfor
 
-    return printf(l:msg, l:text)
+    return printf(l:msg, a:text)
 endfunction
 
 function! s:EchoWithShortMess(setting, message) abort

test/test_cursor_warnings.vader

@@ -32,7 +32,17 @@ Before:
   \       'nr': -1,
   \       'type': 'E',
   \       'text': 'Missing radix parameter (radix)'
-  \     }
+  \     },
+  \     {
+  \       'lnum': 3,
+  \       'col': 1,
+  \       'bufnr': bufnr('%'),
+  \       'vcol': 0,
+  \       'linter_name': 'eslint',
+  \       'nr': -1,
+  \       'type': 'E',
+  \       'text': 'lowercase error'
+  \     },
   \   ],
   \ },
   \}
@@ -73,6 +83,7 @@ After:
 Given javascript(A Javscript file with warnings/errors):
   var x = 3
   var x = 5*2 + parseInt("10");
+  // comment
 
 Execute(Messages should be shown for the correct lines):
   call cursor(1, 1)
@@ -124,3 +135,9 @@ Execute(ALEDetail should print regular 'text' attributes):
   redir END
 
   AssertEqual "\nInfix operators must be spaced. (space-infix-ops)", g:output
+
+Execute(ALEDetail should not capitlise cursor messages):
+  call cursor(3, 1)
+  call ale#cursor#EchoCursorWarning()
+
+  AssertEqual 'lowercase error', GetLastMessage()