diff --git a/.gitignore b/.gitignore
index 230a1c8d7882614a2e48a2fad8c8ce801c71d737..f056b5fa3b758f9971490e1c67c2277f75550971 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 *~
-build*
-site
\ No newline at end of file
+./build*
+./site
\ No newline at end of file
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4d01e74c1f794f51552e4dcb7df577e2c78d9350..4042eac5d5fa1bcc9eef90394f58846d585c11f2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,17 @@ stages:
   - build
   - test
 
+pages:
+  stage: build
+  script:
+    - gitlab/build-doc.sh
+    - mv build/html public
+  artifacts:
+    paths:
+      - public
+  only:
+    - master
+
 build_a:
   stage: build
   script: gitlab/build.sh
diff --git a/gitlab/build-doc.sh b/gitlab/build-doc.sh
new file mode 100755
index 0000000000000000000000000000000000000000..ed006045bcd07334abe604a7cd380b2399a736c1
--- /dev/null
+++ b/gitlab/build-doc.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+pwd
+lscpu
+git submodule init
+git submodule update
+mkdir -p build
+ls -ltra build
+installpath=$(pwd)/install
+mkdir -p ${installpath}/bin
+cd build
+if [ -n "$1" ]; then
+    prefix="scl enable $1 -- "
+    export CXX=/opt/rh/$1/root/usr/bin/g++
+    export CC=/opt/rh/$1/root/usr/bin/gcc
+fi
+shift
+${prefix} cmake $* -DCMAKE_INSTALL_PREFIX:PATH=${installpath} ..
+${prefix} make -j $(lscpu | awk "/^CPU\(s\):/{print int(\$NF/$(grep 'stage: build' ../.gitlab-ci.yml | wc -l))+1}") doc
+
diff --git a/src/regex_test.cpp b/src/regex_test.cpp
index 0f5c2a5c24e86455b235d2cfbc1f9f9760b74eb4..f1ee48ecaf14d3d096612b8c33ef529f4c007d01 100644
--- a/src/regex_test.cpp
+++ b/src/regex_test.cpp
@@ -21,7 +21,7 @@ int main(int argc, const char *argv[]) {
 				for (const auto& submatch : match) {
 					std::cout << "match '" << submatch << "'\n";
 				}
-				std::cout << "suffix: '" << match.prefix() << "'\n";
+				std::cout << "suffix: '" << match.suffix() << "'\n";
 			} else {
 				std::cout << "no match\n";
 			}