Why is \'<\' being escaped to \'<\' in my HTML template, even though \'>\' is displayed correctly?

Patricia Arquette
Release: 2024-11-04 02:33:01
Original
419 people have browsed it

Why is

Template Unexpectedly Escaping <

A user encountered an issue with templates in their development tool. Despite using HTML templates, which automatically escape data for safe HTML embedding, they observed that while the character > was displayed correctly, the character < was being converted to <.

Explanation

HTML templates in Go's html/template package are designed specifically for generating HTML output. They provide automatic context-dependent encoding to ensure data values are safely embedded within HTML documents. This encoding prevents malicious users from injecting unsafe code into the output. However, the text/template package lacks this encoding feature and only interprets data values as plain text.

In this case, since the user intended to generate non-HTML output (likely a Pawn script), using the text/template package would have been more appropriate. The html/template package was unnecessarily escaping the < character because it expected the output to be embedded in HTML, which was not the case.

Solution

To resolve this issue, the user should switch to the text/template package when generating non-HTML output. This will disable the automatic encoding and allow for correct display of all characters, including < and >.

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