update go version to v1.22.

minor refactoring of var names for clarity.
linter fixes.

.golangci.yml

@@ -6,16 +6,7 @@ linters:
   enable-all: true
   disable:
     # deprecated
-    - ifshort
-    - interfacer
-    - structcheck
-    - nosnakecase
-    - deadcode
-    - exhaustivestruct
-    - golint
-    - scopelint
-    - maligned
-    - varcheck
+    - exportloopref
     # opinionated
     - depguard
     - nlreturn

README.md

@@ -1,3 +1,6 @@
+[![Go Reference](https://pkg.go.dev/badge/github.com/bengarrett/bbs.svg)](https://pkg.go.dev/github.com/bengarrett/bbs)   [![Go Report Card](https://goreportcard.com/badge/github.com/bengarrett/bbs)](https://goreportcard.com/report/github.com/bengarrett/bbs)
+![Coverage](https://img.shields.io/badge/Coverage-93.0%25-brightgreen)
+
 # Package bbs
 
 Package bbs is a [Go module](https://go.dev/) that interacts with legacy textfiles encoded with
@@ -34,15 +37,15 @@ reader := transform.NewReader(file, decoder)
 
 // create the HTML equivalent of BBS color codes
 var buf bytes.Buffer
-cc, err := bbs.HTML(&buf, reader)
+match, err := bbs.HTML(&buf, reader)
 if err != nil {
     log.Print(err)
     return
 }
 
 // fetch CSS
 var css bytes.Buffer
-if err := cc.CSS(&css); err != nil {
+if err := match.CSS(&css); err != nil {
     log.Print(err)
     return
 }