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Message-id: Date: Wed, 6 Jan 2021 07:13:45 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-version: 1.0 Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 8bit Content-language: en-US X-Seq: 26335 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: Archived-At: function test1 () { : <<'ENDCOM'             # No problems here with either ending #1 or #2 echo "Bad Idea!"         # Some commented code. ENDCOM                   # Ending #1: comment-out one line ok.     case ${1} in         n ) echo en ;; #: <<'ENDCOM'            # This pair: "parse error near `\n'" #ENDCOM     esac #ENDCOM                  # Ending #2: comment-out most of function ok. echo "What's goin' on?" } ... So it seemed that a case statement won't tolerate a here document within itself. But then there's this, which parses fine: function test2 () {     case ${1} in         n ) echo en ;;         v ) : <<'ENDCOM'            # But this pair works fine.            echo "BAD!"  # Some commented code ENDCOM            echo GOOD!:  # Much better.     ;;     esac } ... So what am I missing?  Sometimes the here document is perfectly ignored, other times it creates an error. Looks wrong. So far I haven't found any comparable errors but this.