fix: vignette engine specification

Revise vignette engine specification to suppress new CRAN check NOTE (#43).

closes #43

.github/workflows/R-CMD-check.yaml

@@ -29,7 +29,7 @@ jobs:
       R_KEEP_PKG_SOURCE: yes
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: r-lib/actions/setup-pandoc@v1
 

DESCRIPTION

@@ -2,7 +2,7 @@ Encoding: UTF-8
 Package: optparse
 Type: Package
 Title: Command Line Option Parser
-Version: 1.7.3
+Version: 1.7.4
 Authors@R: c(person("Trevor L", "Davis", role=c("aut", "cre"),
              email="trevor.l.davis@gmail.com",
              comment = c(ORCID = "0000-0001-6341-4639")),
@@ -33,4 +33,4 @@ Suggests:
     testthat
 VignetteBuilder: knitr
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.1.2
+RoxygenNote: 7.2.3

NEWS.md

@@ -1,3 +1,8 @@
+optparse 1.7.4
+==============
+
+* Revise vignette engine specification to suppress new CRAN check NOTE (#43).
+
 optparse 1.7.3
 ==============
 

README.Rrst

@@ -9,8 +9,8 @@ optparse: Command line optional argument parser
     :target: https://github.com/trevorld/r-optparse/actions
     :alt: R-CMD-check
 
-.. image:: https://img.shields.io/codecov/c/github/trevorld/r-optparse/master.svg
-    :target: https://codecov.io/github/trevorld/r-optparse?branch=master
+.. image:: https://codecov.io/github/trevorld/r-optparse/branch/master/graph/badge.svg
+    :target: https://app.codecov.io/github/trevorld/r-optparse?branch=master
     :alt: Coverage Status
 
 .. image:: https://cranlogs.r-pkg.org/badges/optparse

README.rst

@@ -9,8 +9,8 @@ optparse: Command line optional argument parser
     :target: https://github.com/trevorld/r-optparse/actions
     :alt: R-CMD-check
 
-.. image:: https://img.shields.io/codecov/c/github/trevorld/r-optparse/master.svg
-    :target: https://codecov.io/github/trevorld/r-optparse?branch=master
+.. image:: https://codecov.io/github/trevorld/r-optparse/branch/master/graph/badge.svg
+    :target: https://app.codecov.io/github/trevorld/r-optparse?branch=master
     :alt: Coverage Status
 
 .. image:: https://cranlogs.r-pkg.org/badges/optparse

vignettes/optparse.Rrst

@@ -1,6 +1,6 @@
 ..
   %\VignetteIndexEntry{optparse Command Line Option Parsing}
-  %\VignetteEngine{knitr}
+  %\VignetteEngine{knitr::knitr}
 
 optparse Command Line Option Parsing
 ====================================