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1 files changed, 107 insertions, 0 deletions

diff --git a/node_modules/markdown-it/lib/rules_core/replacements.js b/node_modules/markdown-it/lib/rules_core/replacements.js
new file mode 100644
index 00000000..a748b316
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_core/replacements.js
@@ -0,0 +1,107 @@
+// Simple typographyc replacements
+//
+// (c) (C) → ©
+// (tm) (TM) → ™
+// (r) (R) → ®
+// +- → ±
+// (p) (P) -> §
+// ... → … (also ?.... → ?.., !.... → !..)
+// ???????? → ???, !!!!! → !!!, `,,` → `,`
+// -- → –, --- → —
+//
+'use strict';
+
+// TODO:
+// - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾
+// - miltiplication 2 x 4 -> 2 × 4
+
+var RARE_RE = /\+-|\.\.|\?\?\?\?|!!!!|,,|--/;
+
+// Workaround for phantomjs - need regex without /g flag,
+// or root check will fail every second time
+var SCOPED_ABBR_TEST_RE = /\((c|tm|r|p)\)/i;
+
+var SCOPED_ABBR_RE = /\((c|tm|r|p)\)/ig;
+var SCOPED_ABBR = {
+  c: '©',
+  r: '®',
+  p: '§',
+  tm: '™'
+};
+
+function replaceFn(match, name) {
+  return SCOPED_ABBR[name.toLowerCase()];
+}
+
+function replace_scoped(inlineTokens) {
+  var i, token, inside_autolink = 0;
+
+  for (i = inlineTokens.length - 1; i >= 0; i--) {
+    token = inlineTokens[i];
+
+    if (token.type === 'text' && !inside_autolink) {
+      token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);
+    }
+
+    if (token.type === 'link_open' && token.info === 'auto') {
+      inside_autolink--;
+    }
+
+    if (token.type === 'link_close' && token.info === 'auto') {
+      inside_autolink++;
+    }
+  }
+}
+
+function replace_rare(inlineTokens) {
+  var i, token, inside_autolink = 0;
+
+  for (i = inlineTokens.length - 1; i >= 0; i--) {
+    token = inlineTokens[i];
+
+    if (token.type === 'text' && !inside_autolink) {
+      if (RARE_RE.test(token.content)) {
+        token.content = token.content
+                    .replace(/\+-/g, '±')
+                    // .., ..., ....... -> …
+                    // but ?..... & !..... -> ?.. & !..
+                    .replace(/\.{2,}/g, '…').replace(/([?!])…/g, '$1..')
+                    .replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',')
+                    // em-dash
+                    .replace(/(^|[^-])---([^-]|$)/mg, '$1\u2014$2')
+                    // en-dash
+                    .replace(/(^|\s)--(\s|$)/mg, '$1\u2013$2')
+                    .replace(/(^|[^-\s])--([^-\s]|$)/mg, '$1\u2013$2');
+      }
+    }
+
+    if (token.type === 'link_open' && token.info === 'auto') {
+      inside_autolink--;
+    }
+
+    if (token.type === 'link_close' && token.info === 'auto') {
+      inside_autolink++;
+    }
+  }
+}
+
+
+module.exports = function replace(state) {
+  var blkIdx;
+
+  if (!state.md.options.typographer) { return; }
+
+  for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
+
+    if (state.tokens[blkIdx].type !== 'inline') { continue; }
+
+    if (SCOPED_ABBR_TEST_RE.test(state.tokens[blkIdx].content)) {
+      replace_scoped(state.tokens[blkIdx].children);
+    }
+
+    if (RARE_RE.test(state.tokens[blkIdx].content)) {
+      replace_rare(state.tokens[blkIdx].children);
+    }
+
+  }
+};