diff --git a/lib/spanned_sexp/.cargo-ok b/lib/spanned_sexp/.cargo-ok
deleted file mode 100644
index b5754e2..0000000
--- a/lib/spanned_sexp/.cargo-ok
+++ /dev/null
@@ -1 +0,0 @@
-ok
\ No newline at end of file
diff --git a/lib/spanned_sexp/.editorconfig b/lib/spanned_sexp/.editorconfig
deleted file mode 100644
index fa9becf..0000000
--- a/lib/spanned_sexp/.editorconfig
+++ /dev/null
@@ -1,10 +0,0 @@
-root = true
-
-[*]
-end_of_line = lf
-insert_final_newline = true
-charset = utf-8
-indent_style = space
-indent_size = 2
-tab_width = 4
-trim_trailing_whitespace = true
diff --git a/lib/spanned_sexp/.travis.yml b/lib/spanned_sexp/.travis.yml
deleted file mode 100644
index 9a98210..0000000
--- a/lib/spanned_sexp/.travis.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-language: rust
-sudo: false
-# necessary for `travis-cargo coveralls --no-sudo`
-addons:
-  apt:
-    packages:
-      - libcurl4-openssl-dev
-      - libelf-dev
-      - libdw-dev
-rust:
-  - nightly
-os:
-  - linux
-
-env:
-  global:
-    - TRAVIS_CARGO_NIGHTLY_FEATURE=""
-    - secure: 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
-
-before_script:
-  - pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
-
-script:
-  - travis-cargo build
-  - travis-cargo test
-  - travis-cargo bench
-  - travis-cargo doc
-after_success:
-  - |
-    [ $TRAVIS_BRANCH = master ] &&
-    [ $TRAVIS_PULL_REQUEST = false ] &&
-    echo '<meta http-equiv=refresh content=0;url=sexp/index.html>' > target/doc/index.html &&
-    git clone --depth 1 https://github.com/davisp/ghp-import &&
-    ./ghp-import/ghp-import -n target/doc &&
-    git push -fq https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git gh-pages
-  - travis-cargo coveralls --no-sudo
diff --git a/lib/spanned_sexp/Cargo.toml b/lib/spanned_sexp/Cargo.toml
index 7ba146a..6c03b9f 100644
--- a/lib/spanned_sexp/Cargo.toml
+++ b/lib/spanned_sexp/Cargo.toml
@@ -2,17 +2,12 @@
 name = "sexp"
 version = "1.1.4"
 authors = ["Clark Gaebel <cg.wowus.cg@gmail.com>"]
-
 documentation = "https://cgaebel.github.io/sexp"
 homepage = "https://github.com/cgaebel/sexp"
 repository = "https://github.com/cgaebel/sexp"
-
 readme = "README.md"
-
 keywords = ["sexp", "parsing", "s-expression", "file-format"]
-
 description = "A small, simple, self-contained, s-expression parser and pretty-printer."
-
 license = "MIT"
 
 [dependencies]
diff --git a/lib/spanned_sexp/README.md b/lib/spanned_sexp/README.md
index 6da62fb..e49f312 100644
--- a/lib/spanned_sexp/README.md
+++ b/lib/spanned_sexp/README.md
@@ -1,15 +1,9 @@
-Sexp
+Source-location tracking Sexp
 =====
 
-A small, simple, self-contained, s-expression parser and pretty-printer.
+**This is a fork of "sexp", updated to the 2018 edition, where each parsed node tracks its 
+source file position. This enables better error reporting in subsequent parsing and processing.**
 
-[![crates.io](https://img.shields.io/crates/v/sexp.svg)](https://crates.io/crates/sexp/)
+---
 
-[![Build Status](https://travis-ci.org/cgaebel/sexp.svg?branch=master)](https://travis-ci.org/cgaebel/sexp)
-
-[![Coverage Status](https://coveralls.io/repos/cgaebel/sexp/badge.svg?branch=master&service=github)](https://coveralls.io/github/cgaebel/sexp?branch=master)
-
-Documentation
--------------
-
-See the [API Docs](https://cgaebel.github.io/sexp/).
+Original version by Clark Gaebel: [https://github.com/cgaebel/sexp](https://github.com/cgaebel/sexp).