<<filename:>> and <<filename:,caption>>
[xref_file-inlinemacro]
<a href='{filename}.html#{target}'>{caption=[{target}]}</a>
+[xref_file_only-inlinemacro]
+<a href='{filename}.html'>{caption=<tt>[{filename}]</tt>}</a>
+
[func_anchor-inlinemacro]
<div class="literalblock" id="fun_{name}"><div class="content"><pre><tt>{prefix}:!:{params}</tt></pre></div></div>
[macros]
(?su)[\\]?<<(?P<filename>[^&;:()]+):(?P<name>[^&;:()<> ]+)(?P<params>\([^&:;]*\);?)(,(?P<caption>[^&;]+))?>>=func_ref_file
(?su)[\\]?<<(?P<name>[^&;:()<> ]+)(?P<params>\([^&:;]*\);?)(,(?P<caption>[^&;]+))?>>=func_ref
+(?su)[\\]?<<(?P<filename>[^&;:()]+):(,(?P<caption>[^&;]+))?>>=xref_file_only
(?su)[\\]?<<(?P<filename>[^&;:()]+):(?P<target>\w+)(,(?P<caption>[^&;]+))?>>=xref_file
(?su)[\\]?@(?P<word>\w+)@=no_func_param
(?su)[\\]?@(?P<name>\w+)=func_param