From eb84f4243fa7e18f97ee39f6c0b751f4c329a4ee Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Fri, 24 Nov 2017 23:12:35 +0100
Subject: [PATCH] fix markdown file differences

---
 src/doc/not_found.md          | 14 +++++++-------
 src/librustdoc/html/render.rs | 17 +++++++++++------
 src/librustdoc/markdown.rs    | 16 ++++------------
 3 files changed, 22 insertions(+), 25 deletions(-)

diff --git a/src/doc/not_found.md b/src/doc/not_found.md
index ebe7c59313fa5..f404aa046c1ae 100644
--- a/src/doc/not_found.md
+++ b/src/doc/not_found.md
@@ -13,20 +13,20 @@ Some things that might be helpful to you though:
 
 # Search
 
-* <form action="https://duckduckgo.com/">
+<form action="https://duckduckgo.com/">
     <input type="text" id="site-search" name="q" size="80"></input>
-    <input type="submit" value="Search DuckDuckGo">
-</form>
-* Rust doc search: <span id="core-search"></span>
+    <input type="submit" value="Search DuckDuckGo"></form>
+
+Rust doc search: <span id="core-search"></span>
 
 # Reference
 
-* [The Rust official site](https://www.rust-lang.org)
-* [The Rust reference](https://doc.rust-lang.org/reference/index.html)
+ * [The Rust official site](https://www.rust-lang.org)
+ * [The Rust reference](https://doc.rust-lang.org/reference/index.html)
 
 # Docs
 
-* [The standard library](https://doc.rust-lang.org/std/)
+[The standard library](https://doc.rust-lang.org/std/)
 
 <script>
 function get_url_fragments() {
diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index 8478fd6c5fdc7..5292e643b0a35 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -424,6 +424,16 @@ thread_local!(pub static CURRENT_LOCATION_KEY: RefCell<Vec<String>> =
 thread_local!(pub static USED_ID_MAP: RefCell<FxHashMap<String, usize>> =
                     RefCell::new(init_ids()));
 
+pub fn render_text<F: FnMut(RenderType) -> String>(mut render: F) -> (String, String) {
+    // Save the state of USED_ID_MAP so it only gets updated once even
+    // though we're rendering twice.
+    let orig_used_id_map = USED_ID_MAP.with(|map| map.borrow().clone());
+    let hoedown_output = render(RenderType::Hoedown);
+    USED_ID_MAP.with(|map| *map.borrow_mut() = orig_used_id_map);
+    let pulldown_output = render(RenderType::Pulldown);
+    (hoedown_output, pulldown_output)
+}
+
 fn init_ids() -> FxHashMap<String, usize> {
     [
      "main",
@@ -1856,12 +1866,7 @@ fn render_markdown(w: &mut fmt::Formatter,
                    prefix: &str,
                    scx: &SharedContext)
                    -> fmt::Result {
-    // Save the state of USED_ID_MAP so it only gets updated once even
-    // though we're rendering twice.
-    let orig_used_id_map = USED_ID_MAP.with(|map| map.borrow().clone());
-    let hoedown_output = format!("{}", Markdown(md_text, RenderType::Hoedown));
-    USED_ID_MAP.with(|map| *map.borrow_mut() = orig_used_id_map);
-    let pulldown_output = format!("{}", Markdown(md_text, RenderType::Pulldown));
+    let (hoedown_output, pulldown_output) = render_text(|ty| format!("{}", Markdown(md_text, ty)));
     let mut differences = html_diff::get_differences(&pulldown_output, &hoedown_output);
     differences.retain(|s| {
         match *s {
diff --git a/src/librustdoc/markdown.rs b/src/librustdoc/markdown.rs
index 1fdfa17a8dd34..9b94e9918f850 100644
--- a/src/librustdoc/markdown.rs
+++ b/src/librustdoc/markdown.rs
@@ -25,9 +25,9 @@ use externalfiles::{ExternalHtml, LoadStringError, load_string};
 
 use html_diff;
 
-use html::render::reset_ids;
+use html::render::{render_text, reset_ids};
 use html::escape::Escape;
-use html::render::{USED_ID_MAP, render_difference};
+use html::render::render_difference;
 use html::markdown;
 use html::markdown::{Markdown, MarkdownWithToc, find_testable_code, old_find_testable_code};
 use html::markdown::RenderType;
@@ -101,19 +101,11 @@ pub fn render(input: &str, mut output: PathBuf, matches: &getopts::Matches,
     let (hoedown_output, pulldown_output) = if include_toc {
         // Save the state of USED_ID_MAP so it only gets updated once even
         // though we're rendering twice.
-        let orig_used_id_map = USED_ID_MAP.with(|map| map.borrow().clone());
-        let hoedown_output = format!("{}", MarkdownWithToc(text, RenderType::Hoedown));
-        USED_ID_MAP.with(|map| *map.borrow_mut() = orig_used_id_map);
-        let pulldown_output = format!("{}", MarkdownWithToc(text, RenderType::Pulldown));
-        (hoedown_output, pulldown_output)
+        render_text(|ty| format!("{}", MarkdownWithToc(text, ty)))
     } else {
         // Save the state of USED_ID_MAP so it only gets updated once even
         // though we're rendering twice.
-        let orig_used_id_map = USED_ID_MAP.with(|map| map.borrow().clone());
-        let hoedown_output = format!("{}", Markdown(text, RenderType::Hoedown));
-        USED_ID_MAP.with(|map| *map.borrow_mut() = orig_used_id_map);
-        let pulldown_output = format!("{}", Markdown(text, RenderType::Pulldown));
-        (hoedown_output, pulldown_output)
+        render_text(|ty| format!("{}", Markdown(text, ty)))
     };
 
     let mut differences = html_diff::get_differences(&pulldown_output, &hoedown_output);