Remove support for OCaml < 4.08

Author: jonludlam

.github/workflows/build.yml

@@ -12,25 +12,23 @@ jobs:
         os:
           - ubuntu-latest
         ocaml-compiler:
-          - "4.02"
-          - "4.04"
-          - "4.06"
           - "4.08"
           - "4.10"
           - "4.12"
           - "4.14"
           - "5.0"
           - "5.2"
+          - "5.3"
         include:
           - os: ubuntu-latest
-            ocaml-compiler: "5.2"
+            ocaml-compiler: "5.3"
             # We don't need to compute coverage for more than one build
             send-coverage: true
             # Mdx tests Mdx tests
             run-mdx: true
             test-sherlodoc: true
           - os: macos-latest
-            ocaml-compiler: "5.2"
+            ocaml-compiler: "5.3"
           # - os: windows-latest
           #   ocaml-compiler: "5.2"
 

odoc-parser.opam

@@ -15,12 +15,12 @@ doc: "https://ocaml.github.io/odoc/odoc_parser"
 flags: [ avoid-version ]
 depends: [
   "dune" {>= "3.7"}
-  "ocaml" {>= "4.02.0" & < "5.4"}
+  "ocaml" {>= "4.08.0" & < "5.4"}
   "astring"
   "result"
   "camlp-streams"
   "ppx_expect" {with-test}
-  ("ocaml" {< "4.04.1" & with-test} | "sexplib0" {with-test})
+  "sexplib0" {with-test}
 ]
 build: [
   ["dune" "subst"] {dev}

odoc.opam

@@ -46,21 +46,19 @@ depends: [
   "cppo" {build & >= "1.1.0"}
   "dune" {>= "3.7.0"}
   "fpath"
-  "ocaml" {>= "4.02.0" & < "5.4"}
+  "ocaml" {>= "4.08.0" & < "5.4"}
   "result"
   "tyxml" {>= "4.4.0"}
   "fmt"
+  "crunch" {>= "1.4.1"}
 
   "ocamlfind" {with-test}
   "yojson" {>= "2.1.0" & with-test}
-  ("ocaml" {< "4.04.1" & with-test} | "sexplib0" {with-test})
+  "sexplib0" {with-test}
   "conf-jq" {with-test}
-
   "ppx_expect" {with-test}
   "bos" {with-test}
-  "crunch" {>= "1.4.1"}
-
-  ("ocaml" {< "4.07.0" & with-test} | "bisect_ppx" {with-test & > "2.5.0"})
+  "bisect_ppx" {with-test & > "2.5.0"}
 ]
 
 conflicts: [ "ocaml-option-bytecode-only" ]