Webtags/Parameters (preserving history): Difference between revisions

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If you are considering use of literals (such as a space) within a output format modifier in a script, then don't. Instead include whatever precedes the literal in a tag specification, then concatenate on the literal, and finally concatenate another tag specification for whatever is to follow the literal.  An example to make this clearer is <code>$MXDateTime = '<#date format=yyyy-MM-dd>' . 'T' . '<#time format=hh:mm:ss>';</code>, which is written in PHP Hypertext Pre-processor format, the literal 'T' has been inserted by using two separate web tags surrounding the literal.  The same approach applies if you wanted to replace that "T" with a space.  (The explanation is that Cumulus (1 and MX) requires single quotes round a literal, but the script language requires any string to be enclosed in quotes, and double quotes are required by Cumulus round any complex specifier including any that include a space or other literal).

[[File:Badge vMx.png]]The first complication is that the parser that interprets time/date characters has two ways of interpreting a space character, depending on what immediately follows.  In the tables, below, I have used a "%" in various places. In any of those places with a "%", you can insert a space instead,  understanding that space is not a gap between format characters, but simply an alternative to "%" as a special character.  To explain the two ways of interpreting spaces consider as an example '''<#TpressTH format=" h:mm tt">'''. In that example the two spaces are interpreted in two different ways! The "space" before "h" is treated as the same as "%", but as the ''mm'' and ''tt'' are multi-character symbols, that does insert a space after the minutes but before the am/pm. I discuss this later in [[#Migrating from legacy Cumulus 1 to MX]] section.

Literals are discussed fully in the [[#Including literals in format parameters]] sub-section later. If we want to include other characters not to be interpreted by the date time parameter parser, and spaces, then both double and single quotes must be used, and the spaces must be within the single quotes.  An example, that shows all the options that MX allows, with literals is <code> <#TpressH format="\a't 'h:mm'&nbsp;' tt' <nowiki><small>on 'd/M/yyyy' </small></nowiki>'"> </code>.

=Some Extra Information=