Problem:    Using freed memory with :comclear while listing commands.
Solution:   Bail out when the command list has changed. (closes #11440)

Problem:    Code is indented more than needed.
Solution:   Split ExpandEscape() in two. (Yegappan Lakshmanan, closes #11539)

Problem:    Using freed memory when executing delfunc at the more prompt.
Solution:   Check function list not changed in another place. (closes #11437)

Problem:    Using freed memory when executing unmenu at the more prompt.
Solution:   Do not clear menus while listing them. (closes #11439)

Problem:    Using freed memory when executing mapclear at the more prompt.
Solution:   Do not clear mappings while listing them. (closes #11438)

Problem:    Code is indented more than needed.
Solution:   Return early. (Yegappan Lakshmanan, closes #11538)

Problem:    Using freed memory when clearing augroup at more prompt.
Solution:   Delay clearing augroup until it's safe. (closes #11441)

Problem:    Get E967 when using text property in quickfix window. (Sergey
            Vlasov)
Solution:   Do not add an extra NUL and compute the text length correctly.
            (closes #11513)

Problem:    Bogus error when string used after :elseif.
Solution:   Do not consider a double quote the start of a comment.
            (closes #11534)

Problem:    MS-Windows: after Vim exits console resizing does not work
            properly.
Solution:   Restore screen behavior checks for various WT and VTP
            combinations. (Christopher Plewright, closes #11526,
            closes #11507)