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html: Allow additional head bytes to be injected 

Allows one to add more head tags, mostly scripts usually, to be included
in the <HEAD> section of the generated HTML. This keeps the doc self
contained.

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben 2018-08-11 11:04:43 +01:00
parent 83813889a6
commit f2d8c9a57d
1 changed files with 4 additions and 0 deletions
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4
html/renderer.go
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@ -88,6 +88,7 @@ type RendererOptions struct {
Title string // Document title (used if CompletePage is set)
CSS string // Optional CSS file URL (used if CompletePage is set)
Icon string // Optional icon file URL (used if CompletePage is set)
Head []byte // Optional head data injected in the <head> section (used if CompletePage is set)
Flags Flags // Flags allow customizing this renderer's behavior
@ -1025,6 +1026,9 @@ func (r *Renderer) writeDocumentHeader(w io.Writer) {
io.WriteString(w, ending)
io.WriteString(w, ">\n")
}
if r.opts.Head != nil {
w.Write(r.opts.Head)
}
io.WriteString(w, "</head>\n")
io.WriteString(w, "<body>\n\n")
}