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Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -27328,6 +27328,33 @@ results in no output at all. This effectively means that an arbitrarily nested structure of lists and vectors is printed flattened, with one element on each line. +.coNP Function @ display-width +.synb +.mets (display-width << char ) +.mets (display-width << string ) +.syne +.desc +The +.code display-width +function calculates the number of places occupied by the printed representation +of +.meta char +or +.metn string +on a monospace display which renders certain characters, such as the East Asian +kanji and other characters, using two places. + +For a +.meta string +argument, this value is the sum of the individual display width of the +string's constituent characters. The display width of an empty string is zero. + +Control characters are assigned a display width of zero, regardless of +their display control semantics, if any. + +Characters marked by Unicode as being wide or full width, have a display +width of two. Other characters have a display width of one. + .coNP Function @ streamp .synb .mets (streamp << obj ) |