Merge branch 'master' into develop

Author: Phil Shafer

.github/workflows/c-cpp.yml

@@ -0,0 +1,23 @@
+name: C/C++ CI
+
+on:
+  push:
+    branches: [ master develop ]
+  pull_request:
+    branches: [ master develop ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: configure
+      run: ./configure
+    - name: make
+      run: make
+    - name: make check
+      run: make check
+    - name: make distcheck
+      run: make distcheck

.travis.yml

@@ -12,5 +12,5 @@ notifications:
 
 branches:
   only:
-    - master
     - develop
+    - master

libxo/libxo.3

@@ -182,9 +182,9 @@ and HTML output using a common set of function calls.
 The application
 decides at run time which output style should be produced.
 The
-application calls a function
+application calls the function
 .Xr xo_emit 3
-to product output that is
+to produce output that is
 described in a format string.
 A
 .Dq field descriptor
@@ -208,7 +208,7 @@ a
 format string.
 .Pp
 Output
-can then be generated in various style, using the "--libxo" option.
+can then be generated in various styles, using the "--libxo" option.
 .Sh DEFAULT HANDLE
 Handles give an abstraction for
 .Nm