cleanup and add FIXME

ftplugin/logrotate.vim

@@ -17,18 +17,20 @@ else
     awkcmd = "gawk"
 endif
 # Have to use gawk, default awk (mawk) does not support {0,7} syntax
-if executable(awkcmd)
+if awkcmd != "disable" && executable(awkcmd)
     def LogrotateHelp(word: string)
         const searchcmd =<< trim eval END
+            echo "<=== man logrotate ===>"
             COLUMNS=80 man logrotate 2>/dev/null | 
             {awkcmd} '/^CONFIGURATION FILE DIRECTIVES/,/^SCRIPTS/' | {awkcmd} '
-            /^ {{7}}%s/,false {{
+            /^ {{7}}{word}/,false {{
                 if(firstLineDone && /^ {{0,7}}[^ ]/ && !/endscript/) exit
                 firstLineDone = 1
                 print(substr($0, 8))
             }}'
         END
-        printf(join(searchcmd, "\n"), word)
+        searchcmd
+            ->join("\n")
             ->systemlist()
             ->popup_atcursor({ "padding": [0, 1, 1, 1] })
     enddef

syntax/logrotate.vim

@@ -8,6 +8,10 @@ endif
 syntax include @logRotateSh syntax/sh.vim
 unlet b:current_syntax
 
+" FIXME:
+" Whitespace is not required in actual config,
+" But vim syntax region does not work if start pattern is also a keyword
+" Hence added \s* below
 syntax region logRotateScript matchgroup=logRotateKeyword start="\s*\<\%(firstaction\|lastaction\|prerotate\|postrotate\|preremove\)\>" end="\<endscript\>" contains=@logRotateSh
 
 " for comments, todo, string