web/.phpPgAdmin/.htaccess: schema: page: indicate by prefixing with : to avoid needing to explicitly list all possible pages

web/.phpPgAdmin/.htaccess: table: action: indicate by prefixing with : to avoid needing to explicitly list all possible actions

web/.phpPgAdmin/.htaccess: action redirect: only append ? if adding to the query string

web/.phpPgAdmin/.htaccess: view: default to displaying the columns rather than the definition

web/.phpPgAdmin/.htaccess: support viewing the columns of a view rather than the definition

web/.phpPgAdmin/.htaccess: RewriteRules: use overridable action var

web/.phpPgAdmin/.htaccess: support overriding action param in a later RewriteRule

web/.phpPgAdmin/.htaccess: removed skip= because this creates a confusing control flow, and prevents using chain

bugfix: web/.phpPgAdmin/.htaccess: only append subject if non-empty, to avoid confusing redirect.php

bugfix: web/.phpPgAdmin/.htaccess: custom pages: need to handle in query string because .php filename would be treated as path element