diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -591,7 +591,7 @@ the trailing material did not occur. A variable may be followed by a piece of text, a regular expression directive, a function call, a directive, another variable, or nothing (i.e. occurs at the -end of a line). +end of a line). These cases are discussed in detail below. .SS Variable Followed by Nothing @@ -631,6 +631,12 @@ call, or a directive, the extent is determined by scanning the text for the first position where a match occurs for the regular expression, call or directive. (See Regular Expressions section below, and FUNCTIONS.) +Note that the given variable and the function or directive are considered +in isolation. This means, for instance, that @var@(skip)text is a degenerate +form. The @(skip) will be processed alone, without regard for the trailing +text and so consume the input to the end of the line. The right way to +express the most probable intent of this is @{var}text. + .SS Consecutive Variables If an unbound variable specified a fixed-width match or a regular expression, |