Added note on changes on shell scripts html.sh and pdf.sh for compatibility with the sh, bash, and zsh shells.
Added note on changes on shell scripts html.sh and pdf.sh for compatibility with the sh, bash, and zsh shells.


git-svn-id: 4c7b768bc2e2a56aa1c56b1b5a9454ba68342430@303 ac9c905b-388a-4ddf-9b6a-4063a022bc57

LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2