Editing Module:Param Parse/doc

These functions are used to validate and format information passed into an Infobox. See [[Module:Infobox]] for details and instructions on creating an Infobox. If the information is missing or not valid, the functions here should return nil.

Here is a summary of all the functions:
{| class="wikitable"
! function name
! explanation
|-
| has_content(arg)
| Returns arg if any non-whitespace character is found in the string.
|-
| image(img)
| Returns img if any non-whitespace character is found in the string.
|-
| image_smw(img)
| Searches for and returns "File:___.png"
|-
| number(num)
| Removes any commas and parses the string as a number
|-
| episode(episode)
| Returns a plink of the episode, e.g. [[File:Hopeport episode icon.png|18px]] [[Hopeport]]'
|-
| episode_smw(episode)
| Returns the name of the episode if valid
|}