doc: lint Markdown for trailing spaces and code blocks

MD009 Trailing spaces.
MD031 Fenced code blocks should be surrounded by blank lines.

https://github.com/markdownlint/markdownlint/blob/master/docs/RULES.md

Change-Id: I6a2fff4afa8224442d90b30f84444b4a888fcef2
GitHub-Last-Rev: 67cf146b8501096949faf0155239770d4f6a73b4
GitHub-Pull-Request: golang/go#44285
Reviewed-on: https://go-review.googlesource.com/c/go/+/292409
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Alex Rakoczy <alex@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Alex Rakoczy <alex@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>

diff --git a/src/cmd/compile/internal/ssa/README.md b/src/cmd/compile/internal/ssa/README.md
index 833bf1ddc9fa770fc2fd75a311716d617fb82e62..d695fda0451ae3c6616b3884260798bcee24b79c 100644 (file)
--- a/src/cmd/compile/internal/ssa/README.md
+++ b/src/cmd/compile/internal/ssa/README.md
@@ -185,10 +185,10 @@ program. You can also click on values and blocks to highlight them, to help
 follow the control flow and values.
 
 The value specified in GOSSAFUNC can also be a package-qualified function
-name, e.g. 
+name, e.g.
 
        GOSSAFUNC=blah.Foo go build
-    
+
 This will match any function named "Foo" within a package whose final
 suffix is "blah" (e.g. something/blah.Foo, anotherthing/extra/blah.Foo).
 

diff --git a/src/cmd/trace/static/README.md b/src/cmd/trace/static/README.md
index f81c59eae5e463b070269663a4b333a756c21df4..b0ca86a39783c142d056c2a5114572828c8f6db2 100644 (file)
--- a/src/cmd/trace/static/README.md
+++ b/src/cmd/trace/static/README.md
@@ -1,7 +1,7 @@
 ## Resources for Go's trace viewer
 
 Go execution trace UI (`go tool trace`) embeds
-Chrome's trace viewer (Catapult) following the 
+Chrome's trace viewer (Catapult) following the
 [instructions](
 https://chromium.googlesource.com/catapult/+/refs/heads/master/tracing/docs/embedding-trace-viewer.md). This directory contains
 the helper files to embed Chrome's trace viewer.
@@ -13,6 +13,7 @@ https://chromium.googlesource.com/catapult/+/9508452e18f130c98499cb4c4f1e1efaede
 ### Updating `trace_viewer_full.html`
 
 The file was generated by catapult's `vulcanize_trace_viewer` command.
+
 ```
 $ git clone https://chromium.googlesource.com/catapult
 $ cd catapult