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godoc: accept '.', '!', and '?' as end of first sentence of package documentation

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R=rsc
CC=golang-dev
https://golang.org/cl/1875049
This commit is contained in:
Robert Griesemer 2010-07-26 17:34:40 -07:00
parent f20c2e1cf5
commit 0b133d8ac1
1 changed files with 7 additions and 7 deletions
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14
src/cmd/godoc/godoc.go
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@ -152,18 +152,18 @@ func htmlEscape(s string) string {
func firstSentence(s string) string {
i := -1 // index+1 of first period
j := -1 // index+1 of first period that is followed by white space
i := -1 // index+1 of first terminator (punctuation ending a sentence)
j := -1 // index+1 of first terminator followed by white space
prev := 'A'
for k, ch := range s {
k1 := k + 1
if ch == '.' {
if ch == '.' || ch == '!' || ch == '?' {
if i < 0 {
i = k1 // first period
i = k1 // first terminator
}
if k1 < len(s) && s[k1] <= ' ' {
if j < 0 {
j = k1 // first period followed by white space
j = k1 // first terminator followed by white space
}
if !unicode.IsUpper(prev) {
j = k1
@ -175,10 +175,10 @@ func firstSentence(s string) string {
}
if j < 0 {
// use the next best period
// use the next best terminator
j = i
if j < 0 {
// no period at all, use the entire string
// no terminator at all, use the entire string
j = len(s)
}
}