From 0488fea0dea7f092f6c4bbaa744118f0d6275263 Mon Sep 17 00:00:00 2001
From: Shougo Matsushita <Shougo.Matsu@gmail.com>
Date: Sun, 13 Dec 2015 12:41:30 +0900
Subject: [PATCH] vim-patch:7.4.635

Problem:    If no NL or CR is found in the first block of a file then the
            'fileformat' may be set to "mac". (Issue 77)
Solution:   Check if a CR was found. (eswald)

https://github.com/vim/vim/commit/05eb612ff3597fb7102f892bfd320f28b56d2fc6
---
 src/nvim/fileio.c  | 11 +++++++++++
 src/nvim/version.c |  2 +-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c
index bc5b08ef24..7cc483ea11 100644
--- a/src/nvim/fileio.c
+++ b/src/nvim/fileio.c
@@ -1544,6 +1544,11 @@ rewind_retry:
         /* First try finding a NL, for Dos and Unix */
         if (try_dos || try_unix) {
           for (p = ptr; p < ptr + size; ++p) {
+            // Reset the carriage return counter.
+            if (try_mac) {
+              try_mac = 1;
+            }
+
             if (*p == NL) {
               if (!try_unix
                   || (try_dos && p > ptr && p[-1] == CAR))
@@ -1551,6 +1556,8 @@ rewind_retry:
               else
                 fileformat = EOL_UNIX;
               break;
+            } else if (*p == CAR && try_mac) {
+              try_mac++;
             }
           }
 
@@ -1571,6 +1578,10 @@ rewind_retry:
               if (try_mac > try_unix)
                 fileformat = EOL_MAC;
             }
+          } else if (fileformat == EOL_UNKNOWN && try_mac == 1) {
+            // Looking for CR but found no end-of-line markers at all:
+            // use the default format.
+            fileformat = default_fileformat();
           }
         }
 
diff --git a/src/nvim/version.c b/src/nvim/version.c
index 2b0d6f22f2..fef499ed6c 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -361,7 +361,7 @@ static int included_patches[] = {
   // 638 NA
   637,
   636,
-  // 635,
+  635,
   // 634,
   633,
   // 632 NA