From 4598bbf1338e723f874524db583691b725d92e3f Mon Sep 17 00:00:00 2001
From: Fredrik Ekre <fredrik.ekre@chalmers.se>
Date: Thu, 30 Aug 2018 01:32:14 +0200
Subject: [PATCH] Filter out empty expressions in parseblock, fix #823.

---
 src/Utilities/Utilities.jl |  5 ++++-
 test/utilities.jl          | 10 ++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/Utilities/Utilities.jl b/src/Utilities/Utilities.jl
index ad2dca41a7..d8b67e8e62 100644
--- a/src/Utilities/Utilities.jl
+++ b/src/Utilities/Utilities.jl
@@ -137,7 +137,10 @@ function parseblock(code::AbstractString, doc, page; skip = 0, keywords = true)
                     break
                 end
             end
-        push!(results, (ex, SubString(code, cursor, prevind(code, ncursor))))
+        str = SubString(code, cursor, prevind(code, ncursor))
+        if !isempty(strip(str))
+            push!(results, (ex, str))
+        end
         cursor = ncursor
     end
     results
diff --git a/test/utilities.jl b/test/utilities.jl
index db407a34a0..7e8e0ff869 100644
--- a/test/utilities.jl
+++ b/test/utilities.jl
@@ -178,16 +178,14 @@ end
         end
     end
 
-    @testset "issue #749, #790" begin
+    @testset "issues #749, #790, #823" begin
         let parse(x) = Documenter.Utilities.parseblock(x, nothing, nothing)
             for LE in ("\r\n", "\n")
-                l1, l2, l3 = parse("x = Int[]$(LE)$(LE)push!(x, 1)$(LE)")
+                l1, l2 = parse("x = Int[]$(LE)$(LE)push!(x, 1)$(LE)")
                 @test l1[1] == :(x = Int[])
                 @test l1[2] == "x = Int[]$(LE)"
-                @test l2[1] == QuoteNode(Symbol(""))
-                @test l2[2] == "$(LE)"
-                @test l3[1] == :(push!(x, 1))
-                @test l3[2] == "push!(x, 1)$(LE)"
+                @test l2[1] == :(push!(x, 1))
+                @test l2[2] == "push!(x, 1)$(LE)"
             end
         end
     end