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doc: Improve anchor collection.

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This allows us to catch "operating_002dsystem-1", for instance.

* doc/build.scm (syntax-highlighted-html)[build](anchor-id->key): Drop
"-1" & co. from ID.
This commit is contained in:
Ludovic Courtès 2020-04-13 12:27:17 +02:00
parent f6145358c7
commit deac7bf6ac
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1 changed files with 9 additions and 3 deletions
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12
doc/build.scm
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@ -221,6 +221,7 @@ (define build
(syntax-highlight lexers)
(guix build utils)
(srfi srfi-1)
(srfi srfi-26)
(ice-9 match)
(ice-9 threads)
(ice-9 vlist))
@ -358,9 +359,14 @@ (define (underscore-decode str)
(define (anchor-id->key id)
;; Convert ID, an anchor ID such as
;; "index-pam_002dlimits_002dservice" to the corresponding key,
;; "pam-limits-service" in this example.
(underscore-decode
(string-drop id (string-length "index-"))))
;; "pam-limits-service" in this example. Drop the suffix of
;; duplicate anchor IDs like "operating_002dsystem-1".
(let ((id (if (any (cut string-suffix? <> id)
'("-1" "-2" "-3" "-4" "-5"))
(string-drop-right id 2)
id)))
(underscore-decode
(string-drop id (string-length "index-")))))
(define* (collect-anchors file #:optional (vhash vlist-null))
;; Collect the anchors that appear in FILE, a makeinfo-generated