add footnote links

[c-standard] / tohtml.sh

diff --git a/tohtml.sh b/tohtml.sh
index 504d92a..8555d24 100755 (executable)
--- a/tohtml.sh
+++ b/tohtml.sh
@@ -39,6 +39,7 @@ BEGIN {
                } else
                        print
        }
+       note = 1
 }
 
 !seenindex && /^ *([1-9A-Z]\.|Annex|Index|Foreword|Introduction|Bibliography)/ {
@@ -103,7 +104,22 @@ BEGIN {
                        p = p m
                s = substr(s,RSTART+RLENGTH)
        }
-       print p s
+       s = p s
+       p = ""
+       while (match(s, note "\\)")) {
+               if (note==1 && s !~ /\.1\)/)
+                       break
+               p = p substr(s,1,RSTART-1)
+               p = p "<sup><a href=\"#note" note "\"><b>" note ")</b></a></sup>"
+               note++
+               s = substr(s,RSTART+RLENGTH)
+       }
+       s = p s
+       if (s ~ /^ *[1-9][0-9]*\) /) {
+               sub(/\)/,"",s)
+               sub(/[0-9]+/,"<sup><a name=\"note&\" href=\"#note&\"><b>&)</b></a></sup>",s)
+       }
+       print s
 }
 
 END { print "</pre></body></html>" }'