Add missing fields to serialization

Also use Option for Page::summary

Close #38

CHANGELOG.md

@@ -10,6 +10,7 @@
 - Only copy the static files that changed, not the whole directory in `gutenberg serve`
 - Use summary if available in RSS feed
 - Add tables and footnotes support in markdown
+- Add previous/previous_in_section/next/next_in_section/summary to `Page` 
 
 ## 0.0.3 (2017-04-05)
 - Add some colours in console

Cargo.lock

@@ -4,17 +4,17 @@ version = "0.0.3"
 dependencies = [
  "base64 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.22.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.23.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "iron 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mount 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "notify 4.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pulldown-cmark 0.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "slug 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "staticfile 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntect 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -23,7 +23,7 @@ dependencies = [
  "term-painter 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "ws 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ws 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -123,7 +123,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bytes"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -155,14 +155,14 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "2.22.2"
+version = "2.23.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "term_size 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term_size 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-segmentation 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -225,7 +225,7 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "0.2.17"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -272,7 +272,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "httparse"
-version = "1.2.1"
+version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -282,10 +282,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hyper"
-version = "0.10.5"
+version = "0.10.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "httparse 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -333,8 +333,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "conduit-mime-types 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "error 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.10.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.10.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "modifier 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -364,7 +364,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "lazy_static"
-version = "0.2.6"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -523,14 +523,14 @@ name = "num"
 version = "0.1.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-integer 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-iter 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.33"
+version = "0.1.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -541,7 +541,7 @@ name = "num-iter"
 version = "0.1.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-integer 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -564,7 +564,7 @@ version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "onig_sys 61.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -591,13 +591,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "plist"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.2.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "xml-rs 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -697,7 +697,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "0.9.12"
+version = "0.9.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -710,7 +710,7 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "0.9.12"
+version = "0.9.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -720,13 +720,13 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "0.9.9"
+version = "0.9.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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  "num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -793,11 +793,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bincode 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "flate2 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "onig 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "plist 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "plist 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -821,11 +821,11 @@ dependencies = [
  "error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "humansize 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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- "serde 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 0.9.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)",
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  "url 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -849,7 +849,7 @@ dependencies = [
 
 [[package]]
 name = "term_size"
-version = "0.2.3"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -891,7 +891,7 @@ name = "toml"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1024,12 +1024,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "ws"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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- "bytes 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "httparse 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1074,11 +1074,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0fc10e8cc6b2580fda3f36eb6dc5316657f812a3df879a44a66fc9f0fdbc4855"
 "checksum byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c40977b0ee6b9885c9013cd41d9feffdd22deb3bb4dc3a71d901cc7a77de18c8"
 "checksum bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c129aff112dcc562970abb69e2508b40850dd24c274761bb50fb8a0067ba6c27"
-"checksum bytes 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "46112a0060ae15e3a3f9a445428a53e082b91215b744fa27a1948842f4a64b96"
+"checksum bytes 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3941933da81d8717b427c2ddc2d73567cd15adb6c57514a2726d9ee598a5439a"
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-"checksum clap 2.22.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3cae8c5a1108961e9bafb1096b8cbb6a31c17ab1a276ce9b52334be99962f653"
+"checksum clap 2.23.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f57e9b63057a545ad2ecd773ea61e49422ed1b1d63d74d5da5ecaee55b3396cd"
 "checksum cmake 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)" = "d18d68987ed4c516dcc3e7913659bfa4076f5182eea4a7e0038bb060953e76ac"
 "checksum conduit-mime-types 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "95ca30253581af809925ef68c2641cc140d6183f43e12e0af4992d53768bd7b8"
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@@ -1086,16 +1086,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum error 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "a6e606f14042bb87cc02ef6a14db6c90ab92ed6f62d87e69377bc759fd7987cc"
 "checksum error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9435d864e017c3c6afeac1654189b06cdb491cf2ff73dbf0d73b0f292f42ff8"
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 "checksum humansize 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "92d211e6e70b05749dce515b47684f29a3c8c38bbbb21c50b30aff9eca1b0bd3"
-"checksum hyper 0.10.5 (registry+https://github.com/rust-lang/crates.io-index)" = "43a15e3273b2133aaac0150478ab443fb89f15c3de41d8d93d8f3bb14bf560f6"
+"checksum hyper 0.10.9 (registry+https://github.com/rust-lang/crates.io-index)" = "94da93321c171e26481afeebe8288757b0501901b7c5492648163d8ec4942ec5"
 "checksum idna 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6ac85ec3f80c8e4e99d9325521337e14ec7555c458a14e377d189659a427f375"
 "checksum inotify 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "887fcc180136e77a85e6a6128579a719027b1bab9b1c38ea4444244fe262c20c"
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@@ -1103,7 +1103,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2f404fbc66fd9aac13e998248505e7ecb2ad8e44ab6388684c5fb11c6c251c"
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 "checksum lazycell 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ce12306c4739d86ee97c23139f3a34ddf0387bbf181bc7929d287025a8c3ef6b"
 "checksum libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)" = "88ee81885f9f04bff991e306fea7c1c60a5f0f9e409e99f6b40e3311a3363135"
 "checksum log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "5141eca02775a762cc6cd564d8d2c50f67c0ea3a372cbf1c51592b3e029e10ad"
@@ -1121,7 +1121,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum nix 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bfb3ddedaa14746434a02041940495bf11325c22f6d36125d3bdd56090d50a79"
 "checksum notify 4.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "298d4401ff2c6cebb7f8944c90288647c89ce59029d43b439444cf1067df55e1"
 "checksum num 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)" = "98b15ba84e910ea7a1973bccd3df7b31ae282bf9d8bd2897779950c9b8303d40"
-"checksum num-integer 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)" = "21e4df1098d1d797d27ef0c69c178c3fab64941559b290fcae198e0825c9c8b5"
+"checksum num-integer 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)" = "ef1a4bf6f9174aa5783a9b4cc892cacd11aebad6c69ad027a0b65c6ca5f8aa37"
 "checksum num-iter 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)" = "f7d1891bd7b936f12349b7d1403761c8a0b85a18b148e9da4429d5d102c1a41e"
 "checksum num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)" = "e1cbfa3781f3fe73dc05321bed52a06d2d491eaa764c52335cf4399f046ece99"
 "checksum num_cpus 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a18c392466409c50b87369414a2680c93e739aedeb498eb2bff7d7eb569744e2"
@@ -1129,7 +1129,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum onig_sys 61.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "be2eb43cab0eed1bdeec174b96967cf5636634adc2b6ba8fcc875aa3d5fc4118"
 "checksum pest 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3e2e823a5967bb4cdc6d3e46f47baaf4ecfeae44413a642b74ad44e59e49c7f6"
 "checksum pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3a8b4c6b8165cd1a1cd4b9b120978131389f64bdaf456435caa41e630edba903"
-"checksum plist 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5d6ab9bef2781bcdac1baf3e29eb297344cd24263e22fd9436d3a21215b7d8aa"
+"checksum plist 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0f6c4f04356eb9ad7fb1d004eb19369324daa46db1fc7ee89246a2fc224a9ce9"
 "checksum plugin 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "1a6a0dc3910bc8db877ffed8e457763b317cf880df4ae19109b9f77d277cf6e0"
 "checksum pulldown-cmark 0.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "d9ab1e588ef8efd702c7ed9d2bd774db5e6f4d878bb5a1a9f371828fbdff6973"
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
@@ -1144,10 +1144,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
 "checksum sequence_trie 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c915714ca833b1d4d6b8f6a9d72a3ff632fe45b40a8d184ef79c81bec6327eed"
 "checksum serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
-"checksum serde 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)" = "f023838e7e1878c679322dc7f66c3648bd33763a215fad752f378a623856898d"
+"checksum serde 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)" = "a4c9a40d556f8431394def53446db659f796dc87a53ef67b7541f21057fbdd91"
 "checksum serde_codegen_internals 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bc888bd283bd2420b16ad0d860e35ad8acb21941180a83a189bb2046f9d00400"
-"checksum serde_derive 0.9.12 (registry+https://github.com/rust-lang/crates.io-index)" = "ebb753639f6d55ba1acbcd330ccaf4d9f5862353ac2851e43eac63c2a5343a11"
-"checksum serde_json 0.9.9 (registry+https://github.com/rust-lang/crates.io-index)" = "dbc45439552eb8fb86907a2c41c1fd0ef97458efb87ff7f878db466eb581824e"
+"checksum serde_derive 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)" = "3e472ff72816522c7837cf932585a838576a85e8642632ccf7b8d43b7a1bf1af"
+"checksum serde_json 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ad8bcf487be7d2e15d3d543f04312de991d631cfe1b43ea0ade69e6a8a5b16a1"
 "checksum sha1 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cc30b1e1e8c40c121ca33b86c23308a090d19974ef001b4bf6e61fd1a0fb095c"
 "checksum slab 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d807fd58c4181bbabed77cb3b891ba9748241a552bcc5be698faaebefc54f46e"
 "checksum slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17b4fcaed89ab08ef143da37bc52adbcc04d4a69014f4c1208d6b51f0c47bc23"
@@ -1161,7 +1161,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum tera 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3e4c079eb174654258e2f2feebb1ba9f2ad26982d1a676f3c888d623b32ab76a"
 "checksum term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d168af3930b369cfe245132550579d47dfd873d69470755a19c2c6568dbbd989"
 "checksum term-painter 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ab900bf2f05175932b13d4fc12f8ff09ef777715b04998791ab2c930841e496b"
-"checksum term_size 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "07b6c1ac5b3fffd75073276bca1ceed01f67a28537097a2a9539e116e50fb21a"
+"checksum term_size 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2b6b55df3198cc93372e85dd2ed817f0e38ce8cc0f22eb32391bfad9c4bf209"
 "checksum thread-id 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4437c97558c70d129e40629a5b385b3fb1ffac301e63941335e4d354081ec14a"
 "checksum thread_local 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c85048c6260d17cf486ceae3282d9fb6b90be220bf5b28c400f5485ffc29f0c7"
 "checksum time 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)" = "211b63c112206356ef1ff9b19355f43740fc3f85960c598a93d3a3d3ba7beade"
@@ -1186,7 +1186,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bb08f9e670fab86099470b97cd2b252d6527f0b3cc1401acdb595ffc9dd288ff"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-"checksum ws 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c449ba2aefb7af3902b6c2677220943e1559e6fde76d055a29ec513b5e2d11d2"
+"checksum ws 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d639380f50ad271c719cec5c9f78f09dd9d5c064b2c2231784c45f4ae70b87ae"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum xml-rs 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7ec6c39eaa68382c8e31e35239402c0a9489d4141a8ceb0c716099a0b515b562"
 "checksum yaml-rust 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e66366e18dc58b46801afbf2ca7661a9f59cc8c5962c29892b6039b4f86fa992"

src/page.rs

@@ -71,10 +71,10 @@ pub struct Page {
     pub path: String,
     /// The full URL for that page
     pub permalink: String,
-    /// The summary for the article, defaults to empty string
+    /// The summary for the article, defaults to None
     /// When <!-- more --> is found in the text, will take the content up to that part
     /// as summary
-    pub summary: String,
+    pub summary: Option<String>,
 
     /// The previous page, by date globally
     pub previous: Option<Box<Page>>,
@@ -101,7 +101,7 @@ impl Page {
             slug: "".to_string(),
             path: "".to_string(),
             permalink: "".to_string(),
-            summary: "".to_string(),
+            summary: None,
             meta: meta,
             previous: None,
             previous_in_section: None,
@@ -194,10 +194,10 @@ impl Page {
         self.content = markdown_to_html(&self.raw_content, permalinks, tera, config)?;
 
         if self.raw_content.contains("<!-- more -->") {
-            self.summary = {
+            self.summary = Some({
                 let summary = self.raw_content.splitn(2, "<!-- more -->").collect::<Vec<&str>>()[0];
                 markdown_to_html(summary, permalinks, tera, config)?
-            }
+            })
         }
 
         Ok(())
@@ -223,7 +223,7 @@ impl Page {
 
 impl ser::Serialize for Page {
     fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error> where S: ser::Serializer {
-        let mut state = serializer.serialize_struct("page", 13)?;
+        let mut state = serializer.serialize_struct("page", 18)?;
         state.serialize_field("content", &self.content)?;
         state.serialize_field("title", &self.meta.title)?;
         state.serialize_field("description", &self.meta.description)?;
@@ -231,6 +231,7 @@ impl ser::Serialize for Page {
         state.serialize_field("slug", &self.slug)?;
         state.serialize_field("path", &format!("/{}", self.path))?;
         state.serialize_field("permalink", &self.permalink)?;
+        state.serialize_field("summary", &self.summary)?;
         state.serialize_field("tags", &self.meta.tags)?;
         state.serialize_field("draft", &self.meta.draft)?;
         state.serialize_field("category", &self.meta.category)?;
@@ -238,6 +239,10 @@ impl ser::Serialize for Page {
         let (word_count, reading_time) = self.get_reading_analytics();
         state.serialize_field("word_count", &word_count)?;
         state.serialize_field("reading_time", &reading_time)?;
+        state.serialize_field("previous", &self.previous)?;
+        state.serialize_field("previous_in_section", &self.previous_in_section)?;
+        state.serialize_field("next", &self.next)?;
+        state.serialize_field("next_in_section", &self.next_in_section)?;
         state.end()
     }
 }

tests/page.rs

@@ -212,7 +212,7 @@ Hello world"#.to_string();
     assert!(res.is_ok());
     let mut page = res.unwrap();
     page.render_markdown(&HashMap::default(), &Tera::default(), &Config::default()).unwrap();
-    assert_eq!(page.summary, "");
+    assert_eq!(page.summary, None);
 }
 
 #[test]
@@ -229,7 +229,7 @@ Hello world
     assert!(res.is_ok());
     let mut page = res.unwrap();
     page.render_markdown(&HashMap::default(), &Tera::default(), &Config::default()).unwrap();
-    assert_eq!(page.summary, "<p>Hello world</p>\n");
+    assert_eq!(page.summary, Some("<p>Hello world</p>\n".to_string()));
 }
 
 #[test]