diff --git a/lib/compiler/passes/generate-js.js b/lib/compiler/passes/generate-js.js
index d30e373..620dda1 100644
--- a/lib/compiler/passes/generate-js.js
+++ b/lib/compiler/passes/generate-js.js
@@ -895,7 +895,7 @@ function generateJS(ast, options) {
     '',
     '        peg$currPos          = 0,',
     '        peg$savedPos         = 0,',
-    '        peg$posDetailsCache  = [{ line: 1, column: 1, seenCR: false }],',
+    '        peg$posDetailsCache  = [{ line: 1, column: 1 }],',
     '        peg$maxFailPos       = 0,',
     '        peg$maxFailExpected  = [],',
     '        peg$silentFails      = 0,',   // 0 = report failures, > 0 = silence failures
@@ -984,8 +984,7 @@ function generateJS(ast, options) {
     '    }',
     '',
     '    function peg$computePosDetails(pos) {',
-    '      var details = peg$posDetailsCache[pos],',
-    '          p, ch;',
+    '      var details = peg$posDetailsCache[pos], p;',
     '',
     '      if (details) {',
     '        return details;',
@@ -998,23 +997,15 @@ function generateJS(ast, options) {
     '        details = peg$posDetailsCache[p];',
     '        details = {',
     '          line:   details.line,',
-    '          column: details.column,',
-    '          seenCR: details.seenCR',
+    '          column: details.column',
     '        };',
     '',
     '        while (p < pos) {',
-    '          ch = input.charAt(p);',
-    '          if (ch === "\\n") {',
-    '            if (!details.seenCR) { details.line++; }',
-    '            details.column = 1;',
-    '            details.seenCR = false;',
-    '          } else if (ch === "\\r" || ch === "\\u2028" || ch === "\\u2029") {',
+    '          if (input.charAt(p) === "\\n") {',
     '            details.line++;',
     '            details.column = 1;',
-    '            details.seenCR = true;',
     '          } else {',
     '            details.column++;',
-    '            details.seenCR = false;',
     '          }',
     '',
     '          p++;',
diff --git a/lib/parser.js b/lib/parser.js
index 96237c2..eb0c8e1 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -382,7 +382,7 @@ module.exports = (function() {
 
         peg$currPos          = 0,
         peg$savedPos         = 0,
-        peg$posDetailsCache  = [{ line: 1, column: 1, seenCR: false }],
+        peg$posDetailsCache  = [{ line: 1, column: 1 }],
         peg$maxFailPos       = 0,
         peg$maxFailExpected  = [],
         peg$silentFails      = 0,
@@ -422,8 +422,7 @@ module.exports = (function() {
     }
 
     function peg$computePosDetails(pos) {
-      var details = peg$posDetailsCache[pos],
-          p, ch;
+      var details = peg$posDetailsCache[pos], p;
 
       if (details) {
         return details;
@@ -436,23 +435,15 @@ module.exports = (function() {
         details = peg$posDetailsCache[p];
         details = {
           line:   details.line,
-          column: details.column,
-          seenCR: details.seenCR
+          column: details.column
         };
 
         while (p < pos) {
-          ch = input.charAt(p);
-          if (ch === "\n") {
-            if (!details.seenCR) { details.line++; }
-            details.column = 1;
-            details.seenCR = false;
-          } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
+          if (input.charAt(p) === "\n") {
             details.line++;
             details.column = 1;
-            details.seenCR = true;
           } else {
             details.column++;
-            details.seenCR = false;
           }
 
           p++;
diff --git a/spec/behavior/generated-parser-behavior.spec.js b/spec/behavior/generated-parser-behavior.spec.js
index 42b32dc..e23790f 100644
--- a/spec/behavior/generated-parser-behavior.spec.js
+++ b/spec/behavior/generated-parser-behavior.spec.js
@@ -596,7 +596,7 @@ describe("generated parser behavior", function() {
                 'thing  = digit / mark',
                 'digit  = [0-9]',
                 'mark   = &{ result = location(); return true; } "x"',
-                'nl     = [\\r"\\n\\u2028\\u2029]'
+                'nl     = "\\r"? "\\n"'
               ].join("\n"), options);
 
           expect(parser).toParse("1\n2\n\n3\n\n\n4 5 x", {
@@ -604,8 +604,8 @@ describe("generated parser behavior", function() {
             end:   { offset: 13, line: 7, column: 5 }
           });
 
-          /* Non-Unix newlines */
-          expect(parser).toParse("1\rx", {     // Old Mac
+          /* Newline representations */
+          expect(parser).toParse("1\nx", {     // Unix
             start: { offset: 2, line: 2, column: 1 },
             end:   { offset: 2, line: 2, column: 1 }
           });
@@ -613,20 +613,6 @@ describe("generated parser behavior", function() {
             start: { offset: 3, line: 2, column: 1 },
             end:   { offset: 3, line: 2, column: 1 }
           });
-          expect(parser).toParse("1\n\rx", {   // mismatched
-            start: { offset: 3, line: 3, column: 1 },
-            end:   { offset: 3, line: 3, column: 1 }
-          });
-
-          /* Strange newlines */
-          expect(parser).toParse("1\u2028x", {   // line separator
-            start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 }
-          });
-          expect(parser).toParse("1\u2029x", {   // paragraph separator
-            start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 }
-          });
         });
       });
     });
@@ -809,7 +795,7 @@ describe("generated parser behavior", function() {
                 'thing  = digit / mark',
                 'digit  = [0-9]',
                 'mark   = !{ result = location(); return false; } "x"',
-                'nl     = [\\r"\\n\\u2028\\u2029]'
+                'nl     = "\\r"? "\\n"'
               ].join("\n"), options);
 
           expect(parser).toParse("1\n2\n\n3\n\n\n4 5 x", {
@@ -817,8 +803,8 @@ describe("generated parser behavior", function() {
             end:   { offset: 13, line: 7, column: 5 }
           });
 
-          /* Non-Unix newlines */
-          expect(parser).toParse("1\rx", {     // Old Mac
+          /* Newline representations */
+          expect(parser).toParse("1\nx", {     // Unix
             start: { offset: 2, line: 2, column: 1 },
             end:   { offset: 2, line: 2, column: 1 }
           });
@@ -826,20 +812,6 @@ describe("generated parser behavior", function() {
             start: { offset: 3, line: 2, column: 1 },
             end:   { offset: 3, line: 2, column: 1 }
           });
-          expect(parser).toParse("1\n\rx", {   // mismatched
-            start: { offset: 3, line: 3, column: 1 },
-            end:   { offset: 3, line: 3, column: 1 }
-          });
-
-          /* Strange newlines */
-          expect(parser).toParse("1\u2028x", {   // line separator
-            start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 }
-          });
-          expect(parser).toParse("1\u2029x", {   // paragraph separator
-            start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 }
-          });
         });
       });
     });
@@ -1227,7 +1199,7 @@ describe("generated parser behavior", function() {
                   'thing  = digit / mark',
                   'digit  = [0-9]',
                   'mark   = "x" { result = location(); }',
-                  'nl     = [\\r\\n\\u2028\\u2029]'
+                  'nl     = "\\r"? "\\n"'
                 ].join("\n"), options);
 
             expect(parser).toParse("1\n2\n\n3\n\n\n4 5 x", {
@@ -1235,8 +1207,8 @@ describe("generated parser behavior", function() {
               end:   { offset: 14, line: 7, column: 6 }
             });
 
-            /* Non-Unix newlines */
-            expect(parser).toParse("1\rx", {     // Old Mac
+            /* Newline representations */
+            expect(parser).toParse("1\nx", {     // Unix
               start: { offset: 2, line: 2, column: 1 },
               end:   { offset: 3, line: 2, column: 2 }
             });
@@ -1244,20 +1216,6 @@ describe("generated parser behavior", function() {
               start: { offset: 3, line: 2, column: 1 },
               end:   { offset: 4, line: 2, column: 2 }
             });
-            expect(parser).toParse("1\n\rx", {   // mismatched
-              start: { offset: 3, line: 3, column: 1 },
-              end:   { offset: 4, line: 3, column: 2 }
-            });
-
-            /* Strange newlines */
-            expect(parser).toParse("1\u2028x", {   // line separator
-              start: { offset: 2, line: 2, column: 1 },
-              end:   { offset: 3, line: 2, column: 2 }
-            });
-            expect(parser).toParse("1\u2029x", {   // paragraph separator
-              start: { offset: 2, line: 2, column: 1 },
-              end:   { offset: 3, line: 2, column: 2 }
-            });
           });
 
           it("|expected| terminates parsing and throws an exception", function() {
@@ -1454,7 +1412,7 @@ describe("generated parser behavior", function() {
                 'start  = line (nl+ line)*',
                 'line   = digit (" "+ digit)*',
                 'digit  = [0-9]',
-                'nl     = [\\r\\n\\u2028\\u2029]'
+                'nl     = "\\r"? "\\n"'
               ].join("\n"), options);
 
           expect(parser).toFailToParse("1\n2\n\n3\n\n\n4 5 x", {
@@ -1464,8 +1422,8 @@ describe("generated parser behavior", function() {
             }
           });
 
-          /* Non-Unix newlines */
-          expect(parser).toFailToParse("1\rx", {     // Old Mac
+          /* Newline representations */
+          expect(parser).toFailToParse("1\nx", {     // Old Mac
             location: {
               start: { offset: 2, line: 2, column: 1 },
               end:   { offset: 2, line: 2, column: 1 }
@@ -1477,26 +1435,6 @@ describe("generated parser behavior", function() {
               end:   { offset: 3, line: 2, column: 1 }
             }
           });
-          expect(parser).toFailToParse("1\n\rx", {   // mismatched
-            location: {
-              start: { offset: 3, line: 3, column: 1 },
-              end:   { offset: 3, line: 3, column: 1 }
-            }
-          });
-
-          /* Strange newlines */
-          expect(parser).toFailToParse("1\u2028x", {   // line separator
-            location: {
-              start: { offset: 2, line: 2, column: 1 },
-              end:   { offset: 2, line: 2, column: 1 }
-            }
-          });
-          expect(parser).toFailToParse("1\u2029x", {   // paragraph separator
-            location: {
-              start: { offset: 2, line: 2, column: 1 },
-              end:   { offset: 2, line: 2, column: 1 }
-            }
-          });
         });
       });
     });